| TE15 | M & M Land Company Airport | Menard TX |
| 03TX | M D K Field Heliport | Pearland TX |
| 13CA | M H 15 Heaps Peak Usfs Heliport | Lake Arrowhead CA |
| 6GE4 | M K Field Airport | Hogansville GA |
| 83OI | M P W Heliport | Hebron OH |
| 80TS | M Y Ranch Airport | Crockett TX |
| 9TE1 | M-i Drilling Fluids Company Heliport | Freeport TX |
| NA71 | M. Bodvig Airstrip Airport | Tappen ND |
| PLK | M. Graham Clark Downtown Airport | Branson MO |
| IL65 | M.a.m Trail Airport | Little York IL |
| 40OI | M.c.r. Airport | Lodi OH |
| 03PN | M.p. Metals Heliport | Berwick PA |
| 3IL4 | Maaks Heliport | Middletown IL |
| 69LL | Maas Airstrip Airport | New Boston IL |
| 7TX5 | Mabee Ranch Airport | Midland TX |
| JY42 | Mabel's Balloonport | Frenchtown NJ |
| N00 | Maben Airport | Lexington/prattsville NY |
| TX26 | Mabry Ahp /ng/ Heliport | Austin TX |
| 47AR | Mabry Field Ultralight | Melbourne AR |
| 6GA7 | Mac Heliport | Cumming GA |
| PRN | Mac Crenshaw Memorial Airport | Greenville AL |
| MCF | Mac Dill Afb Airport | Tampa FL |
| 93TA | Mac Kay Heliport | Mount Vernon TX |
| 2AK0 | Mac Kenzie Country Airpark Airport | Point Mackenzie AK |
| 78FD | Mac's Field Airport | Homestead FL |
| 7MO6 | Mac's Field Airport | Plattsburg MO |
| FL65 | Mac-ivor & Friends Airstrip Airport | Hollywood FL |
| AGR | Macdill Afb Aux Fld Airport | Avon Park FL |
| MS20 | Mach 1 Jet Port Airport | Brandon MS |
| VT20 | Mach Personal Strip Airport | Pawlet VT |
| 98OR | Mach-o Acres Airport | Sheridan OR |
| CA05 | Machado Dusters Airport | Stratford CA |
| MVM | Machias Valley Airport | Machias ME |
| 3VG2 | Machipongo Intl Airport | Machipongo VA |
| 41XS | Macho Grande Airport | Taylor TX |
| 3FL7 | Mack Bayor Airheart Heliport | Destin FL |
| 10CO | Mack Mesa Airport | Mack CO |
| HFF | Mackall Aaf Airport | Camp Mackall NC |
| U62 | Mackay Airport | Mackay ID |
| ID28 | Mackay Bar Airport | Dixie ID |
| L85 | Mackeys Lakes Seaplane Base | Soldotna AK |
| LS95 | Mackie Memorial Heliport | Glenmora LA |
| 2OA2 | Mackie's Airport | Midland OH |
| 83D | Mackinac County Airport | St Ignace MI |
| MCD | Mackinac Island Airport | Mackinac Island MI |
| OI75 | Macks Heliport | Columbus Grove OH |
| MQB | Macomb Muni Airport | Macomb IL |
| 1A5 | Macon County Airport | Franklin NC |
| MAC | Macon Downtown Airport | Macon GA |
| 20M | Macon Muni Airport | Macon MS |
| K89 | Macon-fower Memorial Airport | Macon MO |
| 4PA9 | Macungie Mack Heliport | Macungie PA |
| 9XS3 | Macy Ranch Airport | Post TX |
| I54 | Mad River Inc Airport | Tremont City OH |
| CD44 | Madden Peak Heliport | Hesperus CO |
| 6D3 | Maddock Muni Airport | Maddock ND |
| TX91 | Madeira Airpark Airport | Garland TX |
| MAE | Madera Muni Airport | Madera CA |
| 1WA8 | Madigan Hospital Heliport | Fort Lewis WA |
| 1F4 | Madill Muni Airport | Madill OK |
| I39 | Madison Airport | Richmond KY |
| AZ18 | Madison Aviation Heliport | Tusayan AZ |
| 99FL | Madison County Airport | Lee FL |
| UYF | Madison County Airport | London OH |
| MDQ | Madison County Executive/tom Sharp Jr Fld Airport | Huntsville AL |
| OA09 | Madison County Hospital Heliport | London OH |
| MU15 | Madison Medical Center Heliport | Fredericktown MO |
| 52A | Madison Muni Airport | Madison GA |
| IMS | Madison Muni Airport | Madison IN |
| MDS | Madison Muni Airport | Madison SD |
| 2I0 | Madisonville Muni Airport | Madisonville KY |
| 51R | Madisonville Muni Airport | Madisonville TX |
| S33 | Madras Municipal Airport | Madras OR |
| WY65 | Madsen Airport | Gillette WY |
| 20TA | Mag Drop Airport | Bells TX |
| N29 | Magdalena Airport | Magdalena NM |
| S77 | Magee Airport | Coeur D'alene ID |
| TE87 | Magee Airport | Portland TX |
| 42TX | Magee Airport | Wolfe City TX |
| 82WN | Magee Creek Aerodrome Airport | Rice WA |
| 17M | Magee Muni Airport | Magee MS |
| 7MD1 | Magennis Farm Airport | Federalsburg MD |
| 36FA | Magic Air Adventure Heliport | Kissimmee FL |
| U93 | Magic Reservoir Airport | Hailey ID |
| AGO | Magnolia Muni Airport | Magnolia AR |
| 09AR | Magnolia Rgnl Medical Center Heliport | Magnolia AR |
| 2OH1 | Magruder Memorial Heliport | Port Clinton OH |
| CA23 | Maguire-california Hospital Heliport | Van Nuys CA |
| IA34 | Mahaska County Hospital Heliport | Oskaloosa IA |
| EUG | Mahlon Sweet Field Airport | Eugene OR |
| OG32 | Mahlon Sweet Field Heliport | Eugene OR |
| 3N8 | Mahnomen County Airport | Mahnomen MN |
| MN25 | Mahnomen Health Center Heliport | Mahnomen MN |
| 1JY2 | Mahogany Mtn. Airport | Silver Lake OR |
| 5PN4 | Mahon Heliport | Hatboro PA |
| 0U3 | Mahoney Creek Usfs Airport | Mahoney Creek ID |
| 7OH5 | Mahoning County Joint Vocational School Airport | Canfield OH |
| 89Y | Maidens Airport | Williamston MI |
| ME59 | Maine Helicopters Heliport | North Whitefield ME |
| 13CL | Maine Prairie Airport | Dixon CA |
| 0TA0 | Mainland Rgnl Health Care System Heliport | Lamarque/texas City TX |
| 4KS5 | Maize Airport | Wichita/maize/ KS |
| WA17 | Majerle Strip Airport | Duvall WA |
| 6CL5 | Majlar Heliport | Ojai CA |
| 4R5 | Major Gilbert Field Airport | La Pointe WI |
| E42 | Major Samuel B Cornelius Field Airport | Spearman TX |
| VT34 | Major W. Guth Airport | Westminster VT |
| 6CL0 | Majors Airport | Bakersfield CA |
| GVT | Majors Airport | Greenville TX |
| 2LS3 | Majors Airpark Airport | Melville LA |
| 2ND2 | Makeeff Airport | Mercer ND |
| MD20 | Makoutz Airport | Taneytown MD |
| M14 | Mal's Serpent Lake Seaplane Base | Deerwood MN |
| MLD | Malad City Airport | Malad City ID |
| 2RI7 | Malbone Estate Heliport Heliport | Newport RI |
| 2PN1 | Malco Airport | Westfield PA |
| SSI | Malcolm Mc Kinnon Airport | Brunswick GA |
| MAW | Malden Rgnl Airport | Malden MO |
| 74L | Malibu Administrative Center Heliport | Malibu CA |
| 4S7 | Malin Airport | Malin OR |
| MO31 | Malina Airport | Rogersville MO |
| 9PN8 | Malinchak Pvt. Airport | Carbondale PA |
| 9ID6 | Mallard Creek Ranch Airport | Elk City ID |
| GA04 | Mallards Landing Airport | Locust Grove GA |
| VT57 | Malletts Head Seaplane Base | Colchester VT |
| TX77 | Mallick Tower Heliport | Fort Worth TX |
| WV12 | Mallory Airport | South Charleston WV |
| 50GA | Mallory Field Airport | Valdosta GA |
| GFA | Malmstrom Afb Heliport | Great Falls MT |
| NJ61 | Malone Airport | Frenchtown NJ |
| 4NE8 | Malone M-bar Ranch Airport | Palisade NE |
| MAL | Malone-dufort Airport | Malone NY |
| M75 | Malta Airport | Malta MT |
| M78 | Malvern Muni Airport | Malvern AR |
| MMH | Mammoth Yosemite Airport | Mammoth Lakes CA |
| 1OI0 | Manairco Heliport | Mansfield OH |
| 18NJ | Manalapan Township-village Green Heliport | Freehold NJ |
| HEF | Manassas Rgnl/harry P. Davis Field Airport | Washington DC |
| FD80 | Manatee Seaplane Base | Old Town FL |
| FL45 | Manatee Memorial Hospital Heliport | Bradenton FL |
| 5FD0 | Manatee Springs Airport | Old Town FL |
| D90 | Mancelona Muni Airport | Mancelona MI |
| MHT | Manchester Airport | Manchester NH |
| 08WA | Manchester Laboratory Heliport | Manchester WA |
| 4KY2 | Manchester Memorial Hospital Heliport | Manchester KY |
| C27 | Manchester Muni Airport | Manchester IA |
| Y19 | Mandan Muni Airport | Mandan ND |
| 7MN9 | Mandarin Yen So Heliport | Bloomington MN |
| MHK | Manhattan Rgnl Airport | Manhattan KS |
| 40U | Manila Airport | Manila UT |
| MXA | Manila Muni Airport | Manila AR |
| MBL | Manistee Co.-blacker Airport | Manistee MI |
| 91NY | Manitou Field Airport | Spencerport NY |
| D25 | Manitowish Waters Airport | Manitowish Waters WI |
| MTW | Manitowoc County Airport | Manitowoc WI |
| 48MI | Manju Heliport | Dorr MI |
| TKO | Mankato Airport | Mankato KS |
| MKT | Mankato Rgnl Airport | Mankato MN |
| 4AK5 | Mankomen Lake Airport | Mankomen Lake AK |
| MLY | Manley Hot Springs Airport | Manley Hot Springs AK |
| 13CO | Mann Heliport | Steamboat Springs CO |
| 47IN | Mann Airport | Merom IN |
| VG28 | Mann Airport | Boykins VA |
| 95CO | Mann Ranch Airport | Rye CO |
| 63VA | Mannboro Medical Center Heliport | Mannboro VA |
| 6F7 | Manning Field Airport | Jefferson TX |
| VT10 | Manning Personal Airstrip Airport | Bridport VT |
| MBA | Manokotak Airport | Manokotak AK |
| 2CO6 | Manor House Heliport | Littleton CO |
| 7PA0 | Manor Knoll Personal Use Airport | Mountville PA |
| 9PS8 | Manor Landing Airport | Gettysburg PA |
| 04VG | Manquin Flight Park Ultralight | Manquin VA |
| 8W3 | Mansfield Airport | Mansfield WA |
| 48OI | Mansfield Cpc Heliport | Mansfield OH |
| 41OI | Mansfield General Hospital Heliport | Mansfield OH |
| VT96 | Mansfield Heliflight Inc Heliport | Milton VT |
| MFD | Mansfield Lahm Rgnl Airport | Mansfield OH |
| 1B9 | Mansfield Muni Airport | Mansfield MA |
| 03B | Mansfield Muni Airport | Mansfield MO |
| 41U | Manti-ephraim Airport | Manti UT |
| NM89 | Manzano-mountain Air Ranch Airport | Los Lunas NM |
| 5CL3 | Mapes Ranch Airport | Modesto CA |
| MN69 | Maple Airport | Maple Plain MN |
| 65G | Maple Grove Airport | Fowlerville MI |
| E66 | Maple Grove Heliport | Fowlerville MI |
| LL74 | Maple Hurst Farms Airport | Rochelle IL |
| MGG | Maple Lake Muni Airport | Maple Lake MN |
| 03ME | Maple Ridge Airport | Harrison ME |
| 66NY | Maple Ridge Airport | Medina NY |
| 1E9 | Maples Field Airport | Canyon TX |
| VG57 | Maples Field Airport | Manassas VA |
| CT39 | Maplewood Farm Airport | Durham CT |
| OH95 | Maplewood Orchard Airport | Morrow OH |
| OQW | Maquoketa Muni Airport | Maquoketa IA |
| NJ46 | Mar Bar L Farms Airport | Englishtown NJ |
| 68FD | Maran Airport | Fountain FL |
| AVQ | Marana Rgnl Airport | Marana AZ |
| LA47 | Marathon Venice Heliport | Venice LA |
| 48XS | Maravillas Gap Ranch Airport | Marathon TX |
| L41 | Marble Canyon Airport | Marble Canyon AZ |
| WY03 | Marbleton Big Piney Clinic Heliport | Big Piney WY |
| NK71 | Marcellus Airport | Marcellus NY |
| RIV | March Arb Airport | Riverside CA |
| 28IN | Marchino Field Airport | Vincennes IN |
| 6NC8 | Marchmont Plantation Airpark Airport | Advance NC |
| 8IN9 | Marcidale Airport | Amo IN |
| MT14 | Marco Bay Heliport | Somers MT |
| MKY | Marco Island Airport | Marco Island FL |
| IL76 | Marcor Heliport | Chicago IL |
| AZ22 | Marcus J Lawrence Medical Center Heliport | Cottonwood AZ |
| 1I1 | Marcy Field Airport | Keene NY |
| MRF | Marfa Muni Airport | Marfa TX |
| 68XS | Margaritaville Airport | Whitesboro TX |
| ME75 | Margerison Airport | Lisbon Falls ME |
| 8OA9 | Margos Sky Ranch Airport | Seville OH |
| 0NC9 | Maria Parham Hospital Heliport | Henderson NC |
| 0PS2 | Marian Heliport | Weatherly PA |
| F06 | Marian Airpark Airport | Wellington TX |
| 5IA2 | Marian Health Center Nr 2 Heliport | Sioux City IA |
| 5IA4 | Marian Health Center Nr 3 Heliport | Sioux City IA |
| 1CL8 | Marian Medical Center Heliport | Santa Maria CA |
| MAI | Marianna Muni Airport | Marianna FL |
| 6M7 | Marianna/lee County-steve Edwards Field Airport | Marianna AR |
| 8NY5 | Mariaville Aerodrome Airport | Duanesburg NY |
| 69AZ | Maricopa County Sheriff's Office Heliport | Mesa AZ |
| 20E | Maricopa Medical Center Heliport | Phoenix AZ |
| OH85 | Marietta Memorial Hospital Heliport | Marietta OH |
| OAR | Marina Muni Airport | Marina CA |
| 76G | Marine City Airport | Marine City MI |
| 85XS | Marine Consultants Inc Heliport | Houston TX |
| 8NK2 | Marine Helicopter Squadron 361 Heliport | Jamesport NY |
| LS47 | Marine Shale Processors Inc Heliport | Morgan City LA |
| FD05 | Mariners Hospital Heliport | Tavernier FL |
| 2TA4 | Mario's Flying Pizza Airport | Sealy TX |
| 85AK | Marion Seaplane Base | Big Lake AK |
| C17 | Marion Airport | Marion IA |
| PN57 | Marion Center Speedway Airport | Marion Center PA |
| X35 | Marion County Airport | Dunnellon FL |
| 82A | Marion County Airport | Buena Vista GA |
| MAO | Marion County Airport | Marion SC |
| FLP | Marion County Rgnl Airport | Flippin AR |
| APT | Marion County-brown Field Airport | Jasper TN |
| HAB | Marion County-rankin Fite Airport | Hamilton AL |
| 6OI4 | Marion General Hospital Heliport | Marion OH |
| MZZ | Marion Muni Airport | Marion IN |
| 43K | Marion Muni Airport | Marion KS |
| MNN | Marion Muni Airport | Marion OH |
| 5M9 | Marion-crittenden County Airport | Marion KY |
| MPI | Mariposa-yosemite Airport | Mariposa CA |
| 2MD7 | Maritime Institute Heliport | Linthicum Heights MD |
| 2FD2 | Marjorie Kennan Rawlings Airport | Island Grove FL |
| 2A0 | Mark Anton Airport | Dayton TN |
| 3K7 | Mark Hoard Memorial Airport | Leoti KS |
| 4WA7 | Mark Reed Hospital Heliport | Mc Cleary WA |
| 15A | Mark Reynolds/north Mobile County Airport | Creola AL |
| 4MO6 | Mark Twain Air Park Airport | Louisiana MO |
| CA25 | Mark Twain St Joseph's Hospital Heliport | San Andreas CA |
| 3WN4 | Mark's Park & Airfield Ultralight | New London WI |
| 6M8 | Marked Tree Muni Airport | Marked Tree AR |
| 2PN3 | Market Garden Airport | York Springs PA |
| FL16 | Market World Airport | Auburndale FL |
| 2NJ6 | Markle Airport | Phillipsburg NJ |
| CT50 | Marks Heliport | East Granby CT |
| MKV | Marksville Muni Airport | Marksville LA |
| 9B1 | Marlboro Airport | Marlboro MA |
| PS17 | Marlboro Corporate Park Heliport | Kennett Square PA |
| BBP | Marlboro County Jetport - H.e. Avent Field Airport | Bennettsville SC |
| 3MA1 | Marlborough Hospital Heliport | Marlborough MA |
| 77G | Marlette Airport | Marlette MI |
| T15 | Marlin Airport | Marlin TX |
| XS48 | Marlin's Meadow Airport | Yantis TX |
| TE85 | Marmack Airport | Montgomery TX |
| 0OR7 | Marr Field Airport | Monmouth OR |
| 24MD | Marriott Parking Garage "rooftop" Heliport | Baltimore MD |
| ME40 | Mars Hill Airport | Mars Hill ME |
| 6NA6 | Marsh Brothers Airstrip Airport | Newburg ND |
| 8PN9 | Marsh Creek Airport | Gettysburg PA |
| SC74 | Marsh Point Airport | Beaufort SC |
| FRI | Marshall Aaf Airport | Fort Riley(junction City) KS |
| 14IS | Marshall Browning Hospital Heliport | Du Quoin IL |
| C75 | Marshall County Airport | Lacon IL |
| MPG | Marshall County Airport | Moundsville WV |
| 18KY | Marshall County Hospital Heliport | Benton KY |
| MDM | Marshall Don Hunter Sr Airport | Marshall AK |
| IN19 | Marshall Field Airport | Acton IN |
| MO14 | Marshall Field Airport | Fair Grove MO |
| 1AL0 | Marshall Medical Center South Heliport | Boaz AL |
| MHL | Marshall Memorial Muni Airport | Marshall MO |
| MA16 | Marshall's Airport | Holden MA |
| MIW | Marshalltown Muni Airport | Marshalltown IA |
| CO52 | Marshdale Airport | Evergreen CO |
| MFI | Marshfield Muni Airport | Marshfield WI |
| GHG | Marshfield Muni - George Harlow Field Airport | Marshfield MA |
| 3MA9 | Marston Mills Heliport | Marston Mills MA |
| MA12 | Marston Mills Seaplane Base | Marstons Mills MA |
| 4MO8 | Martens Airport | Atherton MO |
| NJ38 | Martens Stadium Heliport | East Orange NJ |
| MVY | Marthas Vineyard Airport | Vineyard Haven MA |
| 75PA | Marther Field Airport | Albion PA |
| AK92 | Martin Airport | Palmer AK |
| IL64 | Martin Airport | Lincoln IL |
| WN88 | Martin Airport | Ocean Park WA |
| 1A3 | Martin Campbell Field Airport | Copperhill TN |
| MCZ | Martin County Airport | Williamston NC |
| 7K8 | Martin Field Airport | So Sioux City NE |
| S95 | Martin Field Airport | College Place WA |
| WI72 | Martin Fierro Airport | Ellenboro WI |
| 44FL | Martin Memorial Medical Center Heliport | Stuart FL |
| 9V6 | Martin Muni Airport | Martin SD |
| IL82 | Martin Rla Airport | Clinton IL |
| MTN | Martin State Airport | Baltimore MD |
| MDA | Martindale Ahp Heliport | San Antonio TX |
| 70NC | Martindale Executive Arpk Airport | Paschall NC |
| 21MO | Martins Airport | Lawson MO |
| WI78 | Martins Aerodrome Airport | Green Bay WI |
| 40VA | Martinsville/henry County Memorial Hosp. Heliport | Martinsville VA |
| VA01 | Marty 1 Heliport | Coeburn VA |
| XS95 | Marty Ranch Airport | Schulenburg TX |
| MN76 | Marty's Tranquility Base Seaplane Base | Prior Lake MN |
| Y14 | Marv Skie-lincoln County Airport | Tea SD |
| OI72 | Marvin Thiel Field Airport | Blakeslee OH |
| 9KY1 | Mary Breckenridge Arh Heliport | Hyden KY |
| 31WA | Mary Bridge Heliport | Tacoma WA |
| 6NY5 | Mary Immaculate Hospital Heliport | Jamaica Queens NY |
| 8VA8 | Mary Immaculate Hospital Heliport | Newport News VA |
| NE90 | Mary Lanning Memorial Hospital Heliport | Hastings NE |
| 5OH3 | Mary Rutan Heliport | Bellefontaine OH |
| 88IL | Mary's Landing Airport | Capron IL |
| 6KS8 | Mary's Place Airport | Emporia KS |
| 2W5 | Maryland Airport | Indian Head MD |
| 03OI | Marymount Hospital Heliport | Garfield Heights OH |
| NV04 | Marys River Ranch Airport | Deeth NV |
| MYZ | Marysville Muni Airport | Marysville KS |
| 23OK | Mash Heliport | Lindsay OK |
| NH76 | Mason Airfield Airport | Mason NH |
| 9NY6 | Mason Airway Airport | Treadwell NY |
| MCW | Mason City Muni Airport | Mason City IA |
| LDM | Mason County Airport | Ludington MI |
| T92 | Mason County Airport | Mason TX |
| 3I2 | Mason County Airport | Point Pleasant WV |
| 31IS | Mason District Hospital Heliport | Havana IL |
| 9WA8 | Mason General Hospital Heliport | Shelton WA |
| TEW | Mason Jewett Field Airport | Mason MI |
| 3KY3 | Mason Valley Airport | Taylorsville KY |
| 93MT | Masonry Field Airport | Bigfork MT |
| 0MA1 | Massachusetts General Hospital Heliport | Boston MA |
| MA68 | Massachusetts Mutual Life Insurance Co Heliport | Springfield MA |
| 96NY | Massaro Heliport | Carmel NY |
| MSS | Massena Intl-richards Field Airport | Massena NY |
| NC76 | Massengill Airport | Newton Grove NC |
| 7OI9 | Massengill Airport | Nashport OH |
| 67PN | Masser Field Airport | Sacramento PA |
| MD1 | Massey Aerodrome Airport | Massey MD |
| AZ34 | Massey Farm Airport | Yucca AZ |
| X50 | Massey Ranch Airpark Airport | New Smyrna Beach FL |
| 3TN8 | Massingale Airport | Lenoir City TN |
| 3ME8 | Mast Cove Seaplane Base | Naples ME |
| 61KS | Masters Field Airport | Troy KS |
| 81TA | Masterson Heliport | Mico TX |
| 92AK | Mat-su Rgnl Medical Center Heliport | Palmer AK |
| 3XA2 | Matagorda Rgnl Medical Center Heliport | Bay City TX |
| 02TA | Matagorda Shore Facility Heliport | Matagorda TX |
| NK74 | Match Mate Airport | Aurora NY |
| NK54 | Matejka Field Airport | Erin NY |
| WI97 | Mathaire Field Airport | Marshall WI |
| NK41 | Mather Heliport | Port Jefferson NY |
| 1OH3 | Mather Field Airport | Castalia OH |
| CD49 | Matheson Heliport | Matheson CO |
| 68MN | Mathew Private Field Airport | Barnesville MN |
| TN90 | Mathews Heliport | Chattanooga TN |
| 8C4 | Mathews Memorial Airport | Tipton IA |
| GA27 | Mathis Airport | Cumming GA |
| MY42 | Mathis Airport | Gonvick MN |
| 2PS3 | Mathna Airport | York Springs PA |
| 35ME | Matinicus Island Airport | Matinicus Island ME |
| 08MT | Matovich Airport | Grassrange MT |
| 2WI6 | Matson Airport | Stoughton WI |
| 74WA | Mattawa Air Strip Airport | Mattawa WA |
| 8MI3 | Mattawan Airpark Airport | Mattawan MI |
| 42GA | Matthews Heliport | Marietta GA |
| NJ09 | Matthews Airport | Belvidere NJ |
| TN89 | Matthews Airport | Whitwell TN |
| 86TE | Matthews Ranch Airport | Santo TX |
| 71MN | Mattison's Seaplane Base | Forest Lake MN |
| 21N | Mattituck Airport | Mattituck NY |
| 30MO | Matzie Airport | Lebanon MO |
| 56AZ | Mauldin Airstrip Airport | Tonopah AZ |
| VT03 | Maule's Roost Airport | Lincoln VT |
| 3OK6 | Mauney Heliport | Tulsa OK |
| XS47 | Maurice Dauwe Farm Airport | Poteet TX |
| MRC | Maury County Airport | Columbia/mount Pleasant TN |
| 1TN5 | Maury Rgnl Hospital Heliport | Columbia TN |
| 82C | Mauston-new Lisbon Union Airport | New Lisbon WI |
| 8WN8 | Mave's Lakeview Road Airport | Ellison Bay WI |
| 5T9 | Maverick County Memorial Intl Airport | Eagle Pass TX |
| LA48 | Max Airport | Cottonport LA |
| 51NY | Maxon Field Airport | Holley NY |
| 89NY | Maxson Airfield Airport | Alexandria Bay NY |
| 47KS | Maxwell Airport | Baldwin City KS |
| 3NC7 | Maxwell Airport | Sparta NC |
| MXF | Maxwell Afb Airport | Montgomery AL |
| TX96 | Maxwell Field Airport | Sanger TX |
| 0U8 | May Airport | May ID |
| 80NC | May Airport | Greensboro NC |
| 13VG | May Heliport | Salem VA |
| MYK | May Creek Airport | May Creek AK |
| OK54 | May Ranch Airport | Alva OK |
| 87IN | May's Strip Airport | Walkerton IN |
| 60MI | Maybee Airport | Maybee MI |
| 1MD8 | Mayberry Run Airport | Westminster/silver Run MD |
| IN72 | Mayer Airport | Union Dale IN |
| VG24 | Mayers Airport | Ashland VA |
| 37MO | Mayes Homestead Airport | Polo MO |
| 1D4 | Mayfield Airport | Akron OH |
| AL76 | Mayfield (pvt) Airport | Maplesville AL |
| M25 | Mayfield Graves County Airport | Mayfield KY |
| 5LL3 | Mayhall Airport | Murdock IL |
| 93TE | Mayhew Ranch Nr 1 Airport | Marathon TX |
| 56NY | Maynard's Airport | Kendall NY |
| 6FL1 | Mayo Clinic Heliport | Jacksonville FL |
| 99MN | Mayo Clinic - Saint Marys Hospital Heliport | Rochester MN |
| GA60 | Mayo Clinic Health System Heliport | Waycross GA |
| 30MN | Mayo Clinic Health System - Albert Lea Heliport | Albert Lea MN |
| 0MN1 | Mayo Clinic Health System - New Prague Heliport | New Prague MN |
| MN70 | Mayo Clinic Health System - Springfield Heliport | Springfield MN |
| WS38 | Mayo Clinic Health System-eau Claire Heliport | Eau Claire WI |
| NRB | Mayport Ns (adm David L. Mcdonald Field) Airport | Mayport FL |
| IL63 | Mays Aviation Airport | Chenoa IL |
| D56 | Mayville Muni Airport | Mayville ND |
| 43CN | Mazza Airport | Petaluma CA |
| VA73 | Mazza Airport | Matoaca VA |
| PS95 | Mazzuca Heliport | Pottsville PA |
| PS30 | Mbb Heliport | West Chester PA |
| MBS | Mbs Intl Airport | Saginaw MI |
| MLC | Mc Alester Rgnl Airport | Mc Alester OK |
| 13OK | Mc Alester Rgnl Hospital Heliport | Mc Alester OK |
| TS80 | Mc Alister Farm Airport | Electra TX |
| MFE | Mc Allen Miller Intl Airport | Mc Allen TX |
| OI77 | Mc Ardle Airport | Fostoria OH |
| 7IA3 | Mc Bride Field Airport | Marion IA |
| NY38 | Mc Bride's Airport | Gorham NY |
| 2CL2 | Mc Cabe Ranch Airport | Arbuckle CA |
| 3NC6 | Mc Cachren Field Airport | Harrisburg NC |
| MYL | Mc Call Muni Airport | Mc Call ID |
| CL86 | Mc Candless Towers Heliport | Santa Clara CA |
| PS11 | Mc Cardle Farm Airport | Burnham PA |
| LAS | Mc Carran Intl Airport | Las Vegas NV |
| 15Z | Mc Carthy Airport | Mccarthy AK |
| 93CL | Mc Carthy Ranch Heliport | Pinedale CA |
| 2IL1 | Mc Cartney Airport | Durand IL |
| O44 | Mc Caslin Airport | Lexington OK |
| 8PN3 | Mc Cauley's Airport | Venus PA |
| IS54 | Mc Christy Airport | Stonington IL |
| MCC | Mc Clellan Airfield Airport | Sacramento CA |
| WA80 | Mc Clellan Field Airport | Amboy WA |
| CRQ | Mc Clellan-palomar Airport | Carlsbad CA |
| 56MO | Mc Clurg Airport | Monett MO |
| 7G2 | Mc Clusky Muni Airport | Mc Clusky ND |
| 1OI9 | Mc Colloch's Airport | Piqua OH |
| SN49 | Mc Collough Airfield Airport | Randall KS |
| MCB | Mc Comb/pike County/john E Lewis Field Airport | Mc Comb MS |
| IAB | Mc Connell Afb Airport | Wichita KS |
| 04NE | Mc Connell Field Airport | Sarben NE |
| CA42 | Mc Conville Airstrip Airport | Lake Elsinore CA |
| MCK | Mc Cook Ben Nelson Rgnl Airport | Mc Cook NE |
| S19 | Mc Cormick County Airport | Mc Cormick SC |
| 3IS1 | Mc Coy Airport | Blue Mound IL |
| 88PA | Mc Coy Airport | Clinton PA |
| TE35 | Mc Coy Bldg Sup 16 Heliport | New Braunfels TX |
| OK46 | Mc Crays Airport | Manchester OK |
| 18I | Mc Creary County Airport | Pine Knot KY |
| 3TX5 | Mc Creless Farm Airport | Adkins TX |
| 0PS1 | Mc Crory Stores Heliport | York PA |
| 7M0 | Mc Crory/morton Airport | Mc Crory AR |
| 12XS | Mc Croskey Field Airport | Butlerville AR |
| IL56 | Mc Culley Airport | Champaign IL |
| 02CO | Mc Cullough Airport | Monte Vista CO |
| 61OI | Mc Cullough Hyde Hospital Heliport | Oxford OH |
| LL90 | Mc Curdy Strip Airport | Rockton/belvidere IL |
| 4O4 | Mc Curtain County Rgnl Airport | Idabel OK |
| 1OK4 | Mc Curtain Memorial Hospital Heliport | Idabel OK |
| LA83 | Mc Cutcheon Field Airport | Clinton LA |
| 0FL9 | Mc Daniel Ranch Inc. Airport | Clewiston FL |
| 90IN | Mc Daniel's Field Airport | Martinsville IN |
| 94TS | Mc David Honda Heliport | Irving TX |
| TE31 | Mc David Pontiac Company Heliport | Irving TX |
| 44TS | Mc David Ranch Airport | Llano TX |
| 26U | Mc Dermitt State Airport | Mc Dermitt OR |
| GA84 | Mc Donald Heliport | Cumming GA |
| 0TN5 | Mc Donald Airport | Murfreesboro TN |
| 3NC4 | Mc Donald Field Airport | Marshville NC |
| 5TS5 | Mc Donald Ranch Airport | Dilley TX |
| 6PN9 | Mc Donald's Airport | Brandonville PA |
| 8FL1 | Mc Donald's Field Airport | Arcadia FL |
| 77IS | Mc Donald's Plaza Heliport | Oak Brook IL |
| AR12 | Mc Donald's Strip Airport | Rose Bud AR |
| 03MU | Mc Donnell Airport | Archie MO |
| CO74 | Mc Elroy Heliport | Kremmling CO |
| 20V | Mc Elroy Airfield Airport | Kremmling CO |
| 5TS4 | Mc Entire Airport | Decatur TX |
| MMT | Mc Entire Jngb Airport | Eastover SC |
| 58XS | Mc Entire's Lazy V Ranch Airport | Sterling City TX |
| TN84 | Mc Gavock Heliport | Nashville TN |
| 67OR | Mc Gee Airport | Donald OR |
| 24NC | Mc Gee Field Airport | Monroe NC |
| MS49 | Mc Gehee Air Park Airport | Liberty MS |
| AR63 | Mc Gehee Desha County Hospital Heliport | Mc Gehee AR |
| 7M1 | Mc Gehee Muni Airport | Mc Gehee AR |
| TYS | Mc Ghee Tyson Airport | Knoxville TN |
| 18II | Mc Gill Airport | Cicero IN |
| 8TE9 | Mc Gill Ranch Heliport | Harris TX |
| FL61 | Mc Ginley Airport | Ocala FL |
| 32NE | Mc Ginn Ranch Airport | Dunning NE |
| 8N7 | Mc Ginness Airport | Columbia PA |
| AL35 | Mc Ginnis Airport | Loxley AL |
| 5AL1 | Mc Gowin Field Airport | Chapman AL |
| MCG | Mc Grath Airport | Mcgrath AK |
| 16Z | Mc Grath Seaplane Base | Mcgrath AK |
| 73WT | Mc Gregor Airport | Hooper WA |
| PWG | Mc Gregor Executive Airport | Waco TX |
| 66KY | Mc Grew Airport | Clarkson KY |
| WRI | Mc Guire Fld (joint Base Mc Guire Dix Lake Airport | Wrightstown NJ |
| 0VA6 | Mc Guire Va Medical Center Pad Heliport | Richmond VA |
| OH59 | Mc Intosh Airport | Farmersville OH |
| AL95 | Mc Intosh Community Heliport | Mc Intosh AL |
| 2MI4 | Mc Jilton Field Airport | St Louis MI |
| 05NE | Mc Kay Airport | Spalding NE |
| SC29 | Mc Kay Airport | Timmonsville SC |
| UT16 | Mc Kay-dee Hospital Center Heliport | Ogden UT |
| 5CO2 | Mc Kee Medical Center Heliport | Loveland CO |
| MKL | Mc Kellar-sipes Rgnl Airport | Jackson TN |
| 2SD1 | Mc Kennan Hospital Heliport | Sioux Falls SD |
| 00S | Mc Kenzie Bridge State Airport | Mc Kenzie Bridge OR |
| 6TE9 | Mc Kenzie Field Airport | Avinger TX |
| 5TN1 | Mc Kenzie Rgnl Hospital Heliport | Mc Kenzie TN |
| 9XS4 | Mc Keon Aviation Airport | Denison TX |
| 81AK | Mc Kinley Country Airport | Trapper Creek AK |
| T30 | Mc Kinley Field Airport | Pearsall TX |
| INR | Mc Kinley National Park Airport | Mckinley Park AK |
| 3NK0 | Mc Kinney Airport | Brockport NY |
| OI57 | Mc Kinney Field Airport | Hamersville OH |
| 48FL | Mc Kinnon Airpark Airport | Walnut Hill FL |
| OG29 | Mc Kinnon Airpark Airport | Sandy OR |
| 5OI8 | Mc Knight Airport | Johnstown OH |
| MS70 | Mc Lain - Calico Airport | Philadelphia MS |
| 2G6 | Mc Laughlin Seaplane Base | Chester VA |
| 66OK | Mc Laughlin Farm Airport | Durant OK |
| 5P2 | Mc Laughlin Muni Airport | Mc Laughlin SD |
| 2E7 | Mc Lean/gray County Airport | Mc Lean TX |
| 3LL8 | Mc Leansboro Airport | Mc Leansboro IL |
| GA94 | Mc Lendon Airport | Fayetteville GA |
| 68WA | Mc Mahon Field Airport | Zillah WA |
| 8XS6 | Mc Manus Field Airport | Tioga TX |
| 0WI9 | Mc Manus Hoonch-na-shee-kaw Airport | Oregon WI |
| CA62 | Mc Millan Airport | Camp Roberts CA |
| 4NE1 | Mc Millan Ranch Airport | Milburn NE |
| MMV | Mc Minnville Muni Airport | Mc Minnville OR |
| 50WY | Mc Murry Heliport | Casper WY |
| 58TE | Mc Nabb Farm Airport | Ropesville TX |
| 59OR | Mc Nary Dam Heliport | Umatilla OR |
| 2IL3 | Mc Neal's Field Ultralight | East Moline IL |
| 63AR | Mc Neely Airport | Earle AR |
| SC03 | Mc Neil Airport | Cameron SC |
| WA92 | Mc Neil Island Emergency Pad Heliport | Steilacoom WA |
| 6TE7 | Mc Neill Ranch Airport | Wayside TX |
| 7MI1 | Mc Phail Heliport | Orchard Lake MI |
| 5MI9 | Mc Phail Corporation Heliport | Rochester MI |
| 5IS9 | Mc Pherson Airport | Carthage IL |
| MPR | Mc Pherson Airport | Mc Pherson KS |
| 8M6 | Mc Ville Muni Airport | Mc Ville ND |
| 7WA7 | Mc Whorter Ranch Airport | Prosser WA |
| 76PN | Mcbc Heliport | Beaver PA |
| TFP | Mccampbell-porter Airport | Ingleside TX |
| U02 | Mccarley Fld Airport | Blackfoot ID |
| 49XS | Mccasland Ranch Airport | Star TX |
| M83 | Mccharen Field Airport | West Point MS |
| TCM | Mcchord Field (joint Base Lewis-mcchord) Airport | Tacoma WA |
| 7GA2 | Mcclellan Airport | Valdosta GA |
| 4IA4 | Mccoy Airport | Danville IA |
| MD52 | Mccready Memorial Hospital Heliport | Crisfield MD |
| OK28 | Mcdaniel Aviation Airport | Ravia OK |
| 31WI | Mcdermott Air Park Airport | Sullivan WI |
| 65AK | Mcdonald Ridge Airport | Wasilla AK |
| 46IL | Mcdonough District Hospital Heliport | Macomb IL |
| NC33 | Mcdowell Hospital Heliport | Marion NC |
| XA12 | Mcfarlin Ranch Airport | Bertram TX |
| 2WN4 | Mcfaul Airport | New London WI |
| AK73 | Mcgahan Industrial Airpark Airport | Nikishka AK |
| 01NR | Mcgee 01 Heliport | Wilmington NC |
| 02NR | Mcgee 02 Heliport | Greenville NC |
| 04NR | Mcgee 04 Heliport | Jacksonville NC |
| 5TN4 | Mcgraw's Backyard Airport | Greenback TN |
| 12OH | Mcgregor Airfield Airport | Brookville OH |
| 1CO9 | Mchd Heliport | Cortez CO |
| 91MI | Mchelipad Heliport | Middleville MI |
| VT36 | Mchv Heliport | Burlington VT |
| 2SC9 | Mcintosh Airport | Kingstree SC |
| 95GA | Mcintosh Field Airport | Whitesburg GA |
| NC70 | Mckee Airport | Fairmont NC |
| WV57 | Mckee Sky Ranch Airport | Terra Alta WV |
| TE60 | Mckenna Memorial Hospital Heliport | New Braunfels TX |
| 1MI5 | Mckenzie's Landing Airport | Howell MI |
| 41OR | Mckenzie-willamette Medical Center Heliport | Springfield OR |
| 1DE5 | Mckeown Airport | Middletown DE |
| 0OK1 | Mckey Airport | Elmore City OK |
| MI23 | Mckimmy Field Airport | Bridgeport MI |
| 0OK3 | Mckinley Ranch Airport | Geary OK |
| 59NC | Mclean Brothers Airport | Gibsonville NC |
| GA48 | Mclendon Airport | Edison GA |
| GE04 | Mclendon Field Airport | Mulberry Grove GA |
| 6IN8 | Mcminn Airport | Rushville IN |
| MMI | Mcminn County Airport | Athens TN |
| 7CL4 | Mcmwtc Heliport | Bridgeport CA |
| 4OR1 | Mcnary Arng Fld Heliport | Salem OR |
| SLE | Mcnary Fld Airport | Salem OR |
| NXF | Mcolf Camp Pendleton (red Beach) Airport | Oceanside CA |
| 6TS9 | Mcp Heliport | Plano TX |
| 08NY | Md1 Airport | Middletown NY |
| XA06 | Mdr 1 Heliport | Lubbock TX |
| 1NM0 | Me-own Airport | Silver City NM |
| 70S | Mead Flying Service Airport | Mead WA |
| MEJ | Meade Muni Airport | Meade KS |
| NH73 | Meader's Heliport | Center Ossipee NH |
| II82 | Meadors Field Airport | Danville IN |
| 07VT | Meadow Airport | Jericho VT |
| N63 | Meadow Brook Field Airport | Walnut Cove NC |
| 2IL9 | Meadow Creek Airport | Monee IL |
| 0S1 | Meadow Creek Usfs Airport | Meadow Creek MT |
| FLY | Meadow Lake Airport | Colorado Springs CO |
| 62TN | Meadow Lark Aerodrome Ultralight | Woodbury TN |
| WN35 | Meadow Mist Airport | Ferndale WA |
| 6MA2 | Meadowbrook Airport | Amesbury MA |
| 0NJ5 | Meadowlands #2 Nj Sports Complex Heliport | East Rutherford NJ |
| 41NJ | Meadowlands Hospital Medical Center Heliport | Secaucus NJ |
| GA75 | Meadowlark Airport | Concord GA |
| 9TN2 | Meadowlark Airport | Camden TN |
| 63CN | Meadowlark Field Airport | Livermore CA |
| 01XS | Meadowood Ranch Heliport | Athens TX |
| MO53 | Meadows Airport | Bethany MO |
| BFL | Meadows Field Airport | Bakersfield CA |
| MN40 | Meadowvale Airport | Elk River MN |
| 8KY9 | Meadowview Regional Medical Center Heliport | Maysville KY |
| NC28 | Meadstown Airstrip Airport | Elizabeth City NC |
| 45PA | Meadville Medical Center Heliport | Meadville PA |
| AL13 | Meadwestvaco (mwv) Prg Heliport | Cottonton AL |
| 4MD0 | Mears Creek Airfield Airport | Lusby MD |
| VG00 | Mears Field Airport | Eastville VA |
| 3W5 | Mears Field Airport | Concrete WA |
| 36FL | Mease Hospital Countryside Heliport | Safety Harbor FL |
| FA04 | Mease Hospital Emergency Heliport | Dunedin FL |
| AVC | Mecklenburg-brunswick Rgnl Airport | South Hill VA |
| 19MI | Mecosta County Medical Center Heliport | Big Rapids MI |
| 27C | Mecosta Morton Airport | Mecosta MI |
| 5AR5 | Med Flight Heliport | Little Rock AR |
| 30AL | Med Flight 2 Heliport | Danville AL |
| 1MU0 | Medcalf Field Airport | Republic MO |
| 20OI | Medcenter Hospital Heliport | Marion OH |
| ND30 | Medcenter One Hospital Med-i-port Heliport | Bismarck ND |
| OA08 | Medflight Heliport | Columbus OH |
| O53 | Medford Muni Airport | Medford OK |
| AR36 | Medi-port Heliport | Rogers AR |
| 2IA3 | Medical Heliport | Mount Pleasant IA |
| CT12 | Medical Center Heliport | Bridgeport CT |
| 01GA | Medical Center Heliport | Columbus GA |
| 96IN | Medical Center Heliport | Indianapolis IN |
| 0NK4 | Medical Center Heliport | Hempstead NY |
| TE80 | Medical Center Arlington Heliport | Arlington TX |
| UT21 | Medical Center Helistop Heliport | Salt Lake City UT |
| OH46 | Medical Center Hospital Heliport | Chillicothe OH |
| 32XA | Medical Center Hospital Heliport | Odessa TX |
| 5TX7 | Medical Center Hospital Heliport | Tyler TX |
| 24TN | Medical Center Manchester Heliport | Manchester TN |
| LA99 | Medical Center Of Baton Rouge Heliport | Baton Rouge LA |
| XA59 | Medical Center Of Lewisville Heliport | Lewisville TX |
| 4XA6 | Medical Center Of Southeast Texas Heliport | Port Arthur TX |
| OL11 | Medical Center Of Southeastern Oklahoma Heliport | Durant OK |
| 2CD2 | Medical Center Of The Rockies Heliport | Loveland CO |
| 66OH | Medical Center South Heliport | Broadview Heights OH |
| TS06 | Medical City Dallas Hospital Heliport | Dallas TX |
| 4GA2 | Medical College Of Georgia Heliport | Augusta GA |
| VG45 | Medical College Of Virginia Heliport | Richmond VA |
| 8TX1 | Medical Emergency Gbc Heliport | Gun Barrel City TX |
| 1AR7 | Medical Park Hospital Heliport | Hope AR |
| SC71 | Medical University Of South Carolina Heliport | Charleston SC |
| LS56 | Medicant Island Heliport | Grand Isle LA |
| 80V | Medicine Bow Airport | Medicine Bow WY |
| K51 | Medicine Lodge Airport | Medicine Lodge KS |
| 0OA2 | Medina Hospital Heliport | Medina OH |
| NY90 | Medina Memorial Hospital Heliport | Medina NY |
| 1G5 | Medina Muni Airport | Medina OH |
| XS43 | Medina River Ranch Airport | Pipe Creek TX |
| 69CL | Medlock Field Airport | Davis CA |
| 9WN6 | Medos Lake Delton Seaplane Base | Lake Delton/wi Dells WI |
| 86PS | Medstar - Somerset Base Heliport | Somerset PA |
| 09CA | Mee Memorial Hospital Heliport | King City CA |
| EEO | Meeker Airport | Meeker CO |
| MN65 | Meeker Memorial Hospital Heliport | Litchfield MN |
| 6NK2 | Meerwarth Airport | White Creek NY |
| TLR | Mefford Field Airport | Tulare CA |
| 1IN2 | Meharry Ag Service Heliport | Wingate IN |
| 5OH5 | Meigs Mine 1 Heliport | Albany OH |
| 7OH4 | Meigs Mine 2 Heliport | Albany OH |
| MYU | Mekoryuk Airport | Mekoryuk AK |
| AZ78 | Mel's Ranch Airport | Maricopa AZ |
| 05FA | Melanie's Airport | Florala FL |
| MLB | Melbourne Intl Airport | Melbourne FL |
| 42A | Melbourne Muni - John E Miller Field Airport | Melbourne AR |
| 13MN | Melby Airport | Ashby MN |
| 33CO | Melby Ranch Airstrip Airport | San Luis CO |
| 3WI6 | Melin Farms Airport | Clinton WI |
| 12MA | Mellen Street Heliport | Holliston MA |
| XS59 | Mellon Ranch Airport | Refugio TX |
| IS88 | Melody Field Airport | Danville IL |
| XA78 | Melody Ranch Airport | Mountain Springs TX |
| WY31 | Melody Ranch Airport | Jackson WY |
| 1CO5 | Melon Field Airport | Rocky Ford CO |
| FD22 | Melrose Landing Airport | Melrose FL |
| 2SC3 | Melrose Landing Seaplane Base | Hilton Head SC |
| VT73 | Melrose Springs Airfield Airport | Bridport VT |
| 38AK | Mels Airport | Wasilla AK |
| 4TN0 | Melton Field Airport | Blaine TN |
| 2VA2 | Melville Airstrip Airport | Surry VA |
| 25U | Memaloose Airport | Imnaha OR |
| 0PN6 | Memmi Airport | Three Springs PA |
| 8TS4 | Memorial City General Hospital Heliport | Houston TX |
| WS37 | Memorial Community Hospital Heliport | Edgerton WI |
| HOT | Memorial Field Airport | Hot Springs AR |
| TN03 | Memorial Health Care System Heliport | Chattanooga TN |
| 70TS | Memorial Hermann Katy Hospital Heliport | Katy TX |
| 5IS1 | Memorial Hosp Of Carbondale Heliport | Carbondale IL |
| CL60 | Memorial Hospital Heliport | Bakersfield CA |
| 19CO | Memorial Hospital Heliport | Colorado Springs CO |
| 4GA3 | Memorial Hospital Heliport | Bainbridge GA |
| GA37 | Memorial Hospital Heliport | Savannah GA |
| 60LL | Memorial Hospital Heliport | Belleville IL |
| IL50 | Memorial Hospital Heliport | Carthage IL |
| 4IS2 | Memorial Hospital Heliport | Chester IL |
| IN96 | Memorial Hospital Heliport | Logansport IN |
| MD29 | Memorial Hospital Heliport | Easton MD |
| MS17 | Memorial Hospital Heliport | Gulfport MS |
| NE84 | Memorial Hospital Heliport | Aurora NE |
| OI79 | Memorial Hospital Heliport | Fremont OH |
| 5PN2 | Memorial Hospital Heliport | Towanda PA |
| 2PS2 | Memorial Hospital Heliport | York PA |
| TS88 | Memorial Hospital Heliport | Pasadena TX |
| TE46 | Memorial Hospital Heliport | Refugio TX |
| WS48 | Memorial Hospital Heliport | Boscobel WI |
| WI44 | Memorial Hospital Heliport | Dodgeville WI |
| WY68 | Memorial Hospital Heliport | Rawlins WY |
| 77IN | Memorial Hospital At Jasper Heliport | Jasper IN |
| 79IN | Memorial Hospital At South Bend Heliport | South Bend IN |
| 08NH | Memorial Hospital Heliport Heliport | North Conway NH |
| 12WI | Memorial Hospital Of Taylor County Heliport | Medford WI |
| 3OA9 | Memorial Hospital Of Union County Heliport | Marysville OH |
| FA21 | Memorial Hospital West Helistop Heliport | Pembroke Pines FL |
| 1FD8 | Memorial Hospital-flagler Helistop Heliport | Palm Coast FL |
| 26TS | Memorial Hospital-the Woodlands Heliport | The Woodlands TX |
| NM77 | Memorial Medical Center Heliport | Las Cruces NM |
| WS63 | Memorial Medical Center Heliport | Ashland WI |
| 54LL | Memorial Medical Center - Springfield Heliport | Springfield IL |
| IL42 | Memorial Medical Center - Woodstock Heliport | Woodstock IL |
| FA65 | Memorial Medical Center Of Jacksonville Heliport | Jacksonville FL |
| 77CO | Memorial North Heliport | Colorado Springs CO |
| 77FD | Memorial Rgnl Hospital Heliport | Hollywood FL |
| 5AK8 | Memory Lake Airport | Wasilla AK |
| 69AK | Memory Lake Seaplane Base | Wasilla AK |
| MEM | Memphis Intl Airport | Memphis TN |
| 03D | Memphis Memorial Airport | Memphis MO |
| F21 | Memphis Muni Airport | Memphis TX |
| 27TN | Memphis Police Department Heliport | Memphis TN |
| MEZ | Mena Intermountain Muni Airport | Mena AR |
| XA09 | Menard Airport | Bellevue TX |
| T50 | Menard County Airport | Menard TX |
| 1OR2 | Menasha Pad Heliport | North Bend OR |
| 2OG5 | Mendenhall Airstrip Airport | Willamina OR |
| CN01 | Mendocino Coast District Hospital Heliport | Fort Bragg CA |
| 14IL | Mendota Community Hospital Heliport | Mendota IL |
| SD29 | Menno Airport | Menno SD |
| MNM | Menominee-marinette Twin County Airport | Menominee MI |
| LUM | Menomonie Muni-score Field Airport | Menomonie WI |
| SN35 | Menorah Medical Park Heliport | Overland Park KS |
| C92 | Mentone Airport | Mentone IN |
| MCE | Merced Rgnl//macready Field Airport | Merced CA |
| PSE | Mercedita Airport | Ponce PR |
| GA65 | Mercer Airfield Airport | Calhoun GA |
| C00 | Mercer County Airport | Aledo IL |
| BLF | Mercer County Airport | Bluefield WV |
| 12IS | Mercer County Hospital Heliport | Aledo IL |
| HZE | Mercer County Rgnl Airport | Hazen ND |
| IA36 | Mercer Field Airport | Creston IA |
| WA00 | Mercer Ranch Airport | Alderdale WA |
| 7NJ8 | Merck & Co Heliport | Rahway NJ |
| 02NJ | Merck Kenilworth Campus Heliport | Kenilworth NJ |
| 2PS7 | Merck Sharp & Dohme Heliport | Lansdale PA |
| 8NJ1 | Merck Whitehouse Station Heliport | Whitehouse Station NJ |
| PN44 | Merck/upper Gwynedd Heliport | North Wales PA |
| 2OK1 | Mercury Ranch Airport | Milburn OK |
| ID83 | Mercy Heliport | Nampa ID |
| 2NV8 | Mercy Air-pahrump Heliport | Pahrump NV |
| 06AZ | Mercy Gilbert Medical Center Heliport | Gilbert AZ |
| 8IL4 | Mercy Harvard Hospital Heliport | Harvard IL |
| IA10 | Mercy Health Center Heliport | Dubuque IA |
| OL16 | Mercy Health Center Heliport | Oklahoma City OK |
| IA72 | Mercy Hospital Heliport | Cedar Rapids IA |
| IA57 | Mercy Hospital Heliport | Oelwein IA |
| SN56 | Mercy Hospital Heliport | Fort Scott KS |
| 3MN2 | Mercy Hospital Heliport | Moose Lake MN |
| 1OG1 | Mercy Hospital Heliport | Roseburg OR |
| WS40 | Mercy Hospital Heliport | Janesville WI |
| CL97 | Mercy Hospital & Medical Center Heliport | San Diego CA |
| IA82 | Mercy Hospital Medical Center Private Heliport | Des Moines IA |
| 81MU | Mercy Hospital-springfield Heliport | Springfield MO |
| 7CA3 | Mercy Medical Center Heliport | Redding CA |
| IA50 | Mercy Medical Center Heliport | New Hampton IA |
| 52OI | Mercy Medical Center Heliport | Canton OH |
| 6OH0 | Mercy Medical Center Heliport | Springfield OH |
| WS50 | Mercy Medical Center Heliport | Oshkosh WI |
| IA25 | Mercy Medical Center - Centerville Heliport | Centerville IA |
| 86CN | Mercy Medical Center Merced Heliport | Merced CA |
| OK09 | Mercy Memorial Health Center Heliport | Ardmore OK |
| 58MI | Mercy Memorial Hospital Heliport | Monroe MI |
| 99OH | Mercy Memorial Hospital Heliport | Urbana OH |
| CO46 | Mercy Regional Medical Center Heliport | Durango CO |
| LS53 | Mercy Regional Medical Center Heliport | Ville Platte LA |
| 3KS6 | Mercy Rgnl Health Center Heliport | Manhattan KS |
| 4CL5 | Mercy San Juan Hospital Heliport | Carmichael CA |
| 7PN3 | Mercy Suburban Hospital Heliport | Norristown PA |
| MMK | Meriden Markham Muni Airport | Meriden CT |
| CT95 | Meriden-wallingford Hospital Heliport | Meriden CT |
| 2NC5 | Meridian Corporate Center Heliport | Charlotte NC |
| NMM | Meridian Nas /mc Cain Field/ Airport | Meridian MS |
| 6OR5 | Meridian Park Hospital Heliport | Tualatin OR |
| VG34 | Merifield Airport | Clarksville VA |
| 9MN6 | Merill L Harris Field Airport | Jordan MN |
| 34G | Merillat Airport | Tecumseh MI |
| WI93 | Meriter/park Heliport | Madison WI |
| SCD | Merkel Field Sylacauga Muni Airport | Sylacauga AL |
| 3IS4 | Merkle Airport | Hanover IL |
| NK87 | Merkle Airport | Clarence Center NY |
| CDV | Merle K (mudhole) Smith Airport | Cordova AK |
| 2VA3 | Merlin Aerodrome Airport | Amelia Court House VA |
| 0NE0 | Merrihew Airport | Ashby NE |
| JY16 | Merrill Creek Reservoir Heliport | Phillipsburg NJ |
| MRI | Merrill Field Airport | Anchorage AK |
| 5NY6 | Merrill Glen Cove Heliport | Glen Cove NY |
| RRL | Merrill Muni Airport | Merrill WI |
| 68NY | Merrimac Farms Airport | Mount Morris NY |
| NH41 | Merrimack Heliport | Merrimack NH |
| 2OH2 | Merritt Airport | Staunton OH |
| 4PN7 | Merritt Field Airport | Eagles Mere PA |
| COI | Merritt Island Airport | Merritt Island FL |
| 08B | Merrymeeting Field Airport | Bowdoinham ME |
| NH68 | Merrymeeting Lake Seaplane Base | New Durham NH |
| PA01 | Merrys Pymatuning Airport | Linesville PA |
| 3CO2 | Mertens Airport | Sterling CO |
| WI26 | Mertinkes Airport | Eau Claire WI |
| 3OH9 | Merts Field Airport | Wilmington OH |
| 24CA | Mesa Heliport | Pasadena CA |
| 81CO | Mesa 1 Airport | Steamboat Springs CO |
| KIC | Mesa Del Rey Airport | King City CA |
| 08AZ | Mesa Police Heliport | Mesa AZ |
| CD33 | Mesa Verde Heliport | Cortez CO |
| 3KS1 | Mesa Verde Airport | Topeka KS |
| 7NM1 | Mesa Verde Ranch Strip Airport | Alamogordo NM |
| 5CO7 | Mesa View Ranch Airport | Craig CO |
| TX13 | Mesa Vista Ranch Airport | Pampa TX |
| 6CO2 | Mesawood Airpark Airport | Cedaredge CO |
| NY49 | Mesmer Airport | Niagara Falls NY |
| 67L | Mesquite Airport | Mesquite NV |
| HQZ | Mesquite Metro Airport | Mesquite TX |
| 6WA7 | Metaline Radio Heliport | Metaline Falls WA |
| XS97 | Methodist Charlton Medical Center Heliport | Dallas TX |
| XA62 | Methodist Dallas Medical Center Heliport | Dallas TX |
| 1TN4 | Methodist Healthcare Heliport | Dyersburg TN |
| TN27 | Methodist Hospital Heliport | Somerville TN |
| XS83 | Methodist Hospital Heliport | San Antonio TX |
| TX86 | Methodist Hospital Alkek Heliport | Houston TX |
| TN25 | Methodist Hospital Central Heliport | Memphis TN |
| IN06 | Methodist Hospital Helistop Heliport | Indianapolis IN |
| 54IN | Methodist Hospital Nr 2 Heliport | Indianapolis IN |
| 81II | Methodist Hospital Of In. Inc. Heliport | Indianapolis IN |
| 3TN1 | Methodist Hospital-north Heliport | Memphis TN |
| TN69 | Methodist Lebonheur Healthcare Heliport | Germantown TN |
| 0XA9 | Methodist Mansfield Medical Center Heliport | Mansfield TX |
| 90TN | Methodist Medical Center Of Oak Ridge Hosp Heliport | Oak Ridge TN |
| S52 | Methow Valley State Airport | Winthrop WA |
| MTM | Metlakatla Seaplane Base | Metlakatla AK |
| LA10 | Metro Ambulance Service Heliport | Monroe LA |
| 41LA | Metro Aviation Heliport | Shreveport LA |
| MTF | Metro Fld Airport | Fairbanks AK |
| 53OI | Metro Health Medical Center Heliport | Cleveland OH |
| 0TA5 | Metro Heli-pad Heliport | Houston TX |
| MA49 | Metro-swift Heliport | Peabody MA |
| TN92 | Metrocenter Heliport | Nashville TN |
| CO25 | Metrogro Farm Airport | Agate CO |
| 1MD6 | Metroplex Heliport | New Carrollton MD |
| 92TS | Metroplex Hospital Heliport | Killeen TX |
| M30 | Metropolis Muni Airport | Metropolis IL |
| 13MA | Metropolitan Airport | Palmer MA |
| 15PN | Metropolitan Edison Heliport | Reading PA |
| 47NJ | Metropolitan Electric Heliport | Clifton NJ |
| OAK | Metropolitan Oakland Intl Airport | Oakland CA |
| 3CL1 | Metropolitan Water District Heliport | Los Angeles CA |
| CEV | Mettel Field Airport | Connersville IN |
| MHP | Metter Muni Airport | Metter GA |
| 3CA7 | Metz Airport | Greenfield CA |
| MT47 | Metzel Creek Airport | Lakeview MT |
| LXY | Mexia-limestone Co Airport | Mexia TX |
| NY96 | Mexico Airdrome Airport | Mexico NY |
| 1W3 | Mexico Farms Airport | Cumberland MD |
| MYJ | Mexico Memorial Airport | Mexico MO |
| 32FL | Meyer Heliport | Orlando FL |
| LL23 | Meyer Airport | Oquawka IL |
| TA33 | Meyer Field Airport | Rosharon TX |
| OG34 | Meyer Riverside Airpark Airport | Tigard OR |
| N39 | Meyers Heliport | Candler NC |
| 84K | Meyers Chuck Seaplane Base | Meyers Chuck AK |
| 85NE | Meyers Freedom Flight Hardy Airport | Hardy NE |
| 3TE | Meyers-diver's Airport | Tecumseh MI |
| 9NC9 | Meylor Field Airport | Greensboro NC |
| FL72 | Mezrah Seaplane Base | Tampa FL |
| 3XA9 | Mfs Sabine Pass Heliport | Sabine Pass TX |
| TS23 | Mgm Heliport | Austin TX |
| 0KY2 | Mgt Station 2105 Heliport | Hartford KY |
| X44 | Miami Seaplane Base | Miami FL |
| FA76 | Miami Childrens Hospital Heliport | Miami FL |
| K81 | Miami County Airport | Paola KS |
| 71FL | Miami Federal Reserve Bank Heliport | Miami FL |
| MIA | Miami Intl Airport | Miami FL |
| MIO | Miami Muni Airport | Miami OK |
| OXD | Miami University Airport | Oxford OH |
| 9OH5 | Miami Valley Heliport | Troy OH |
| OH51 | Miami Valley Career Technology Center Airport | Clayton OH |
| GA99 | Miami Valley Farm Airport | Fort Valley GA |
| 00OI | Miami Valley Hospital Heliport | Dayton OH |
| 3E0 | Miami-roberts County Airport | Miami TX |
| JY36 | Mianecki Heliport | Newton NJ |
| ME65 | Miara Heliport | West Bath ME |
| 54KS | Michael Airport | Wellsville KS |
| DPG | Michael Aaf (dugway Proving Ground) Airport | Dugway Proving Ground UT |
| MU84 | Michael Farm Airport | Lone Jack MO |
| MRH | Michael J. Smith Field Airport | Beaufort NC |
| 86IS | Michael Pfister Airport | Roanoke IL |
| SN45 | Michael's Airport | Lawrence KS |
| WV17 | Michaels Farms Airport | Martinsburg WV |
| 54ID | Michaels Landing Airport | New Meadows ID |
| WT44 | Michair Airport | Cathlamet WA |
| MGC | Michigan City Muni-phillips Field Airport | Michigan City IN |
| MI66 | Michigan Intl Speedway Heliport | Brooklyn MI |
| 09MI | Michigan National Guard Headquarters Heliport | Lansing MI |
| 24CD | Michigan River Ranch Heliport | Walden CO |
| 6WI6 | Mick Schier Field Airport | Rosiere WI |
| XA38 | Mickler Heliport | Friendswood TX |
| 1VA1 | Micro Airport | Stuart VA |
| 1MA6 | Micron Heliport | Southwick MA |
| W73 | Mid Atlantic Soaring Center Airport | Fairfield PA |
| ME42 | Mid Coast Hospital Heliport | Brunswick ME |
| M28 | Mid Continent Airport | Hayti MO |
| X55 | Mid Florida Air Service Airport | Eustis FL |
| T65 | Mid Valley Airport | Weslaco TX |
| E98 | Mid Valley Airpark Airport | Los Lunas NM |
| H71 | Mid-america Industrial Airport | Pryor OK |
| 09OR | Mid-columbia Medical Center Heliport | The Dalles OR |
| SD09 | Mid-dakota Hospital Heliport | Chamberlain SD |
| 0NK5 | Mid-hudson Helicopter Service Heliport | Hopewell Junction NY |
| PKB | Mid-ohio Valley Rgnl Airport | Parkersburg WV |
| 35NJ | Mid-state Heliport | Somerville NJ |
| PSB | Mid-state Airport | Philipsburg PA |
| 43TX | Mid-valley Dusters Inc Airport | Alamo TX |
| 9WA5 | Mid-valley Hospital Ems Heliport | Omak WA |
| JWY | Mid-way Rgnl Airport | Midlothian/waxahachie TX |
| 3T7 | Middle Bass Island Airport | Middle Bass Island OH |
| 3W9 | Middle Bass-east Point Airport | Middle Bass Island OH |
| MCN | Middle Georgia Rgnl Airport | Macon GA |
| 29VT | Middle Hero Seaplane Base | Grand Isle VT |
| NY09 | Middle Hope Airport | Newburgh NY |
| FYJ | Middle Peninsula Rgnl Airport | West Point VA |
| 95NJ | Middle Sedge Island Heliport | Toms River NJ |
| 8PS0 | Middlebury Airport | Middlebury Center PA |
| 6B0 | Middlebury State Airport | Middlebury VT |
| 04IA | Middlekoop Airport | Packwood IA |
| 1A6 | Middlesboro-bell County Airport | Middlesboro KY |
| CT97 | Middlesex Hospital Heliport | Essex CT |
| CT98 | Middlesex Hospital Heliport | Middletown CT |
| 4N2 | Middlesex Valley Airport | Middlesex NY |
| GZH | Middleton Field Airport | Evergreen AL |
| MDO | Middleton Island Airport | Middleton Island AK |
| C29 | Middleton Muni - Morey Field Airport | Middleton WI |
| 0CT6 | Middletown Heliport | Middletown CT |
| MWO | Middletown Regional/hook Field Airport | Middletown OH |
| MI86 | Midget Airport | North Muskegon MI |
| 28TE | Midlake Airport | Elmendorf TX |
| 92G | Midlakes Airport | Gorham NY |
| 50IL | Midland Airport | Antioch IL |
| MDD | Midland Airpark Airport | Midland TX |
| MAF | Midland Intl Airport | Midland TX |
| 03TA | Midland Memorial Hospital Heliport | Midland TX |
| 23LS | Midstream Cameron East Heliport | Cameron LA |
| 24LS | Midstream Cameron West Heliport | Cameron LA |
| 0XA3 | Midstream Freeport Heliport | Freeport TX |
| 5AL2 | Midstream Fuel Service Heliport | Theodore AL |
| XA73 | Midstream Galveston Helipad Area Nr 1 Heliport | Galveston TX |
| XA74 | Midstream Galveston Helipad Area Nr 2 Heliport | Galveston TX |
| XA80 | Midstream Harbor Island Heliport | Port Aransas TX |
| XA81 | Midstream Port O'connor Heliport | Port O'connor TX |
| 92GE | Midville Intl Airport | Midville GA |
| U37 | Midway Airport | Atomic City ID |
| VG56 | Midway Airport | Bloxom VA |
| 79FD | Midway Lake Airport | Plant City FL |
| 05LL | Midwest Heliport | Willowbrook IL |
| 87KY | Midwest Communication Heliport | Highland Heights KY |
| 13IL | Midwest Medical Center Heliport | Galena IL |
| GPH | Midwest National Air Center Airport | Mosby MO |
| OL15 | Midwest Rgnl Medical Center Heliport | Midwest City OK |
| IN37 | Midwest Steel Heliport | Portage IN |
| RVL | Mifflin County Airport | Reedsville PA |
| P34 | Mifflintown Airport | Mifflintown PA |
| 93F | Mignon Laird Muni Airport | Cheyenne OK |
| WV09 | Mike Ferrell Field Airport | Corinne WV |
| SD26 | Mike Jacob Sturgis Heliport | Sturgis SD |
| PN52 | Mike's Heliport | Cochranville PA |
| 49FL | Mike's Ag Air Airport | Walnut Hill FL |
| 96OK | Mike's Place Airport | Buffalo OK |
| 42IN | Mikelsons Heliport | Indianapolis IN |
| 1XA4 | Mikeska Field Airport | Brookshire TX |
| 18Y | Milaca Muni Airport | Milaca MN |
| MI09 | Milan Airport | Milan MI |
| 6TN6 | Milan General Hospital Heliport | Milan TN |
| 1NJ5 | Milana Heliport | Blairstown NJ |
| 1D1 | Milbank Muni Airport | Milbank SD |
| ME58 | Milbridge Heliport | Milbridge ME |
| 24OH | Milburn Airport | Louisville OH |
| OI63 | Mildon Heliport | Tarlton OH |
| WN02 | Mile Bluff Medical Center Heliport | Mauston WI |
| 5CT7 | Mile Creek Airport | Old Lyme CT |
| 47CO | Mile Hi Airport | New Raymer CO |
| 13KY | Miles Airport | Owensboro KY |
| NC34 | Miles Airport | Chapel Hill NC |
| 3KY9 | Miles Field Airport | Shelbyville KY |
| 40TA | Miles Field Airport | Jewett TX |
| BPI | Miley Memorial Field Airport | Big Piney WY |
| MLF | Milford Muni/ben And Judy Briscoe Field Airport | Milford UT |
| CT46 | Milford-alexander Heliport | Milford CT |
| 89IN | Milhon Airport | Martinsville IN |
| 79CL | Milhous Ranch Airport | North San Juan CA |
| WS15 | Mill House Field Airport | Wyocena WI |
| 36XS | Mill Iron Ranch South Airport | Wellington TX |
| IL68 | Mill Rose Farm /rla/ Airport | Chicago/barrington IL |
| 2AZ4 | Millar Airport | Maricopa AZ |
| MLE | Millard Airport | Omaha NE |
| 4MA3 | Millbury Savings/west Heliport | Millbury MA |
| MN94 | Mille Lacs Heliport | Onamia MN |
| 7MN4 | Mille Lacs Lake Airport | Garrison MN |
| 2J5 | Millen Airport | Millen GA |
| 79IL | Miller Airport | Ashton IL |
| 3LL0 | Miller Airport | South Beloit IL |
| C40 | Miller Airport | Bluffton IN |
| IN53 | Miller Airport | Spencer IN |
| 9KS7 | Miller Airport | Harris KS |
| 2MY4 | Miller Airport | Clear Lake MN |
| MO99 | Miller Airport | Climax Springs MO |
| 4G3 | Miller Airport | Alliance OH |
| OI59 | Miller Airport | Chester OH |
| 91VA | Miller Airport | Bedford VA |
| 83KS | Miller Aeroplane Field Airport | Wamego KS |
| NC30 | Miller Air Park Airport | Mooresville NC |
| 25TS | Miller Airfield Airport | Dalhart TX |
| 1NE6 | Miller Airstrip Airport | Dalton NE |
| OR21 | Miller Airstrip Airport | Albany OR |
| OK47 | Miller Brothers Airport | Manchester OK |
| 25GA | Miller Farm Airport | Douglasville GA |
| MU21 | Miller Farm Airport | Bay MO |
| 7B4 | Miller Farm Landing Strip Airport | Baltimore OH |
| 39II | Miller Field Airport | Topeka IN |
| 27MI | Miller Field Airport | Vassar MI |
| VTN | Miller Field Airport | Valentine NE |
| WV18 | Miller Field Airport | Keyser WV |
| NY73 | Miller Fld Airport | Coventryville NY |
| S49 | Miller Memorial Airpark Airport | Vale OR |
| UT86 | Miller Motorsports Park Heliport | Tooele UT |
| MKA | Miller Muni Airport | Miller SD |
| TA84 | Miller Ranch Airport | Carrizo Springs TX |
| ME74 | Miller's Field Airport | Newburgh ME |
| VT47 | Miller's Pleasure Airfield Airport | Vernon VT |
| 28MI | Miller-herrold Airport | Cedar MI |
| 81ND | Millers Airstrip Airport | Deering ND |
| LA01 | Millers Flying Service Airport | Basile LA |
| 4OH4 | Millertime Airport | Orient OH |
| SC84 | Milliken & Company Heliport | Blacksburg SC |
| NQA | Millington Rgnl Jetport Airport | Millington TN |
| 70B | Millinocket Seaplane Base | Millinocket ME |
| MLT | Millinocket Muni Airport | Millinocket ME |
| NH62 | Millipore Heliport | Jaffrey NH |
| 7E3 | Mills Airport | Mantua OH |
| 05PS | Mills Brothers Airport | Burnt Cabins PA |
| 31KS | Mills Field Airport | South Hutchinson KS |
| MI53 | Mills Field Airport | Newport MI |
| 56M | Millstream Airpark Airport | Corunna MI |
| MIV | Millville Muni Airport | Millville NJ |
| 4R6 | Milnor Muni Airport | Milnor ND |
| 4AL8 | Milton Airport | Huntsville AL |
| 9KY7 | Milton Fire Rescue Heliport | Bedford KY |
| 2WI3 | Milwaukee Rgnl Medical Center Heliport | Wauwatosa WI |
| 3L7 | Milwrick Flying M Airport | Lincoln MI |
| 01TX | Mims Farm Ultralight | Waxahachie TX |
| 3Q0 | Mina Airport | Mina NV |
| 7OR0 | Minam Lodge Airport | Cove OR |
| TE09 | Minard Pegasus Airport | Alvin TX |
| MHM | Minchumina Airport | Minchumina AK |
| MNE | Minden Airport | Minden LA |
| MEV | Minden-tahoe Airport | Minden NV |
| 37IL | Minder Airport | Lincoln IL |
| 3F9 | Mineola Wisener Field Airport | Mineola TX |
| 03NM | Miner's Colfax Medical Center Heliport | Raton NM |
| 75CO | Miner's Mesa Heliport | Black Hawk CO |
| UT75 | Mineral Canyon Strip Airport | Moab UT |
| 9S4 | Mineral County Airport | Superior MT |
| MT64 | Mineral County Hospital Heliport | Superior MT |
| C24 | Mineral County Memorial Airport | Creede CO |
| MWL | Mineral Wells Airport | Mineral Wells TX |
| 90PN | Miners Medical Center Heliport | Hastings PA |
| 8LL8 | Miners Memorial Health Center Heliport | West Frankfort IL |
| PS07 | Miners Memorial Medical Center Heliport | Coaldale PA |
| OH15 | Minerva Airport | Minerva OH |
| 4I0 | Mingo County Airport | Williamson WV |
| ID53 | Minidoka Memorial Hospital Heliport | Rupert ID |
| MI13 | Minikey Airport | Sheridan MI |
| 1OH5 | Minit-men Inc Heliport | San Marghareta OH |
| 86MN | Minn D O T Heliport | Rochester MN |
| 45K | Minneapolis City County Airport | Minneapolis KS |
| MSP | Minneapolis-st Paul Intl/wold-chamberlain Airport | Minneapolis MN |
| MY26 | Minnesota Valley Health Center Heliport | Le Sueur MN |
| WI31 | Minnesuing Airport | Lake Nebagamon WI |
| WV13 | Minnick's Heliport | Upland WV |
| MIB | Minot Afb Airport | Minot ND |
| MOT | Minot Intl Airport | Minot ND |
| 5MS5 | Mint Julep Airpark Airport | Picayune MS |
| 51Z | Minto Al Wright Airport | Minto AK |
| D06 | Minto Muni Airport | Minto ND |
| 6B6 | Minute Man Air Field Airport | Stow MA |
| MFN | Minuteman Lake Seaplane Base | Willow AK |
| AK68 | Minuteman Strip Airport | Willow AK |
| 6VA8 | Mirador Heliport | Crozet VA |
| NKX | Miramar Mcas Airport | San Diego CA |
| OR07 | Miranda's Skyranch Airport | Long Creek OR |
| WA22 | Mirth Airport | Hansville WA |
| CT25 | Miry Dam Heliport | Middlebury CT |
| 3C1 | Mishawaka Pilots Club Airport | Elkhart IN |
| LVM | Mission Field Airport | Livingston MT |
| OH35 | Mission Field Airport | Hallsville OH |
| 0AR2 | Mission Field-marotti Memorial Airport | Crawfordsville AR |
| CA55 | Mission Hospital Helistop Heliport | Mission Viejo CA |
| NC95 | Mission Hospitals Heliport | Asheville NC |
| 57XS | Mission Mnt Airport | Moran TX |
| CL42 | Mission Viejo Company Helistop Heliport | Aliso Viejo CA |
| CD72 | Missionary Ridge Heliport | Trimble CO |
| 43I | Mississinewa Reservoir Landing Area Seaplane Base | Peru IN |
| CHQ | Mississippi County Airport | Charleston MO |
| 6OH1 | Missler-bellevue Airport | Bellevue OH |
| MSO | Missoula Intl Airport | Missoula MT |
| MT44 | Missoula Unit Heliport | Missoula MT |
| 9MO1 | Missouri Baptist Hospital Heliport | St Louis MO |
| MU45 | Missouri Delta Medical Center Heliport | Sikeston MO |
| 90IA | Missouri Valley Airport | Missouri Valley IA |
| 24MO | Mistwood Airport | Camdenton MO |
| PN14 | Misty Hill Farm Airport | Ren Frew PA |
| WN96 | Misty Isle Farms Heliport | Vashon Island WA |
| AA11 | Misty Lake Seaplane Base | Wasilla AK |
| MO65 | Misty Meadows Airport | Kirbyville MO |
| 6OI5 | Mitchell Airport | Plain City OH |
| 7IA7 | Mitchell Field Airport | New Hampton IA |
| 17NC | Mitchell Field Airport | Elizabethtown NC |
| MHE | Mitchell Muni Airport | Mitchell SD |
| TS75 | Mitchell Nr One Airport | Sanderson TX |
| 67IL | Mitchell Rla Airport | Marseilles IL |
| 3MS5 | Mitchell's Airport | Vaiden MS |
| SD90 | Mitchell's Strip Airport | Spearfish SD |
| OI89 | Mite Airport | Camden OH |
| 20IS | Mitek Airport | Winslow IL |
| LA77 | Mixon Airport | Bunkie LA |
| SD01 | Mj Aviation I Airport | Letcher SD |
| SD00 | Mj Aviation Ii Airport | Elk Point SD |
| FL31 | Mjd Airport | Miami FL |
| 07NY | Mmc Heliport | Monticello NY |
| 83PA | Mmc Heliport | Jeannette PA |
| 6IA8 | Mmsc Heliport | Marshalltown IA |
| HI55 | Moanalua Medical Center Heliport | Honolulu HI |
| MN13 | Moberg Air Base Airport | Bemidji MN |
| 96M | Moberg Air Base Seaplane Base | Bemidji MN |
| 5LA2 | Mobil Heliport | Morgan City LA |
| 81LA | Mobil Cameron Heliport | Cameron LA |
| 1AZ0 | Mobile Airport | Mobile AZ |
| BFM | Mobile Downtown Airport | Mobile AL |
| MOB | Mobile Rgnl Airport | Mobile AL |
| TN76 | Mobley-wood Heliport | Paris TN |
| MBG | Mobridge Muni Airport | Mobridge SD |
| SD80 | Mobridge Rgnl Hospital Heliport | Mobridge SD |
| TE84 | Mockingbird Hill Airport | Mc Gregor TX |
| MOD | Modesto City-co-harry Sham Fld Airport | Modesto CA |
| 9V5 | Modisett Airport | Rushville NE |
| 63ND | Moellenkamp Airport | Lisbon ND |
| AK52 | Moen's Ranch Airport | Fairbanks AK |
| NA56 | Moffet Airstrip Airport | Barney ND |
| NUQ | Moffett Federal Afld Airport | Mountain View CA |
| AZ82 | Mogollon Airpark Airport | Overgaard AZ |
| HBC | Mohall Muni Airport | Mohall ND |
| 27NK | Mohawk Air Park Airport | Schyler NY |
| NY23 | Mohawk Aviation Center Airport | Mohawk NY |
| 34OI | Mohican Airpark Airport | Shreve OH |
| MS11 | Mohr Farm Airport | Brandon MS |
| MHV | Mojave Airport | Mojave CA |
| TX35 | Molair Airport | Boxelder/lydia TX |
| 1OA2 | Mole Airport | Grafton OH |
| 19AL | Molinelli Stagefield Ahp Heliport | Fort Rucker/ozark AL |
| 8CL6 | Moller Airport | Maxwell CA |
| O34 | Molly's Landing Heliport | Catoosa OK |
| 1MN5 | Molnau Airpark Airport | Waconia MN |
| MKK | Molokai Airport | Kaunakakai HI |
| 50TA | Moltz Airport | Geronimo TX |
| ECS | Mondell Field Airport | Newcastle WY |
| PA05 | Monesmith Airport | Point Pleasant PA |
| HFJ | Monett Muni Airport | Monett MO |
| BLM | Monmouth Executive Airport | Belmar/farmingdale NJ |
| C66 | Monmouth Muni Airport | Monmouth IL |
| 0KS7 | Mono Aircraft Airport | Cheney KS |
| CN10 | Mono County Medical Heliport | Bridgeport CA |
| 7C3 | Monona Muni Airport | Monona IA |
| 5PA5 | Monongahela Valley Hospital Heliport | Monongahela PA |
| MA6 | Monponsett Pond Seaplane Base | Halifax MA |
| 2FA2 | Monroe Airpark Airport | Belleview FL |
| MVC | Monroe County Airport | Monroeville AL |
| BMG | Monroe County Airport | Bloomington IN |
| M40 | Monroe County Airport | Aberdeen/amory MS |
| 4G5 | Monroe County Airport | Woodsfield OH |
| MNV | Monroe County Airport | Madisonville TN |
| 29LL | Monroe County Ambulance Service Heliport | Waterloo IL |
| 1AL6 | Monroe County Hospital Heliport | Monroeville AL |
| GA24 | Monroe County Hospital Heliport | Forsyth GA |
| IA22 | Monroe County Hospital Heliport | Albia IA |
| 1KY3 | Monroe County Medical Center Heliport | Tompkinsville KY |
| 2MU9 | Monroe Field Airport | Hawk Point MO |
| EFT | Monroe Muni Airport | Monroe WI |
| MLU | Monroe Rgnl Airport | Monroe LA |
| D73 | Monroe-walton County Airport | Monroe GA |
| 73NJ | Montague Heliport | Montague NJ |
| 1O5 | Montague-yreka Rohrer Field Airport | Montague CA |
| 21AK | Montana Creek Airport | Talkeetna AK |
| MTP | Montauk Airport | Montauk NY |
| 57NM | Monte Prieto Ranch Airport | Claunch NM |
| MVI | Monte Vista Muni Airport | Monte Vista CO |
| 8MD2 | Montebello Filtration Plant Heliport | Baltimore MD |
| CD97 | Montemadeira Ii Airport | Hotchkiss CO |
| CA66 | Monterey Bay Academy Airport | Watsonville CA |
| MRY | Monterey Rgnl Airport | Monterey CA |
| MVE | Montevideo-chippewa County Airport | Montevideo MN |
| 19AZ | Montezuma Airport | Camp Verde AZ |
| 67KS | Montezuma Coop Airport | Montezuma KS |
| K17 | Montezuma Muni Airport | Montezuma KS |
| 1MS3 | Montfort Jones Memorial Hospital Heliport | Kosciusko MS |
| 9KY3 | Montgomery Co Fire Heliport | Mt Sterling KY |
| TE41 | Montgomery Co Law Enforcement Cntr Heliport | Conroe TX |
| 43A | Montgomery County Airport | Star NC |
| GAI | Montgomery County Airpark Airport | Gaithersburg MD |
| 55TA | Montgomery County Medical Center Hospital Heliport | Conroe TX |
| IA91 | Montgomery County Memorial Heliport | Red Oak IA |
| MD58 | Montgomery County Police Norwood Heliport | Olney MD |
| MYF | Montgomery Field Airport | San Diego CA |
| 18MD | Montgomery General Hospital Heliport | Olney MD |
| FA64 | Montgomery Ranch Airport | Arcadia FL |
| MGM | Montgomery Rgnl (dannelly Field) Airport | Montgomery AL |
| VG08 | Montgomery Rgnl Hospital Heliport | Blacksburg VA |
| FD49 | Montgomery's Flying M Ranch Airport | Lake Panasoffkee FL |
| U64 | Monticello Airport | Monticello UT |
| LLQ | Monticello Muni/ellis Field Airport | Monticello AR |
| MXO | Monticello Rgnl Airport | Monticello IA |
| GA06 | Monticello Sky Ranch Airport | Monticello GA |
| 6CO5 | Montrose Blm Heliport | Montrose CO |
| 22PS | Montrose High School Heliport | Montrose PA |
| CD47 | Montrose Memorial Hospital Heliport | Montrose CO |
| MTJ | Montrose Rgnl Airport | Montrose CO |
| TN87 | Montvale Airpark Airport | Maryville TN |
| SD79 | Monty Harer Airstrip Airport | Hoven SD |
| 61CO | Monument Helibase Heliport | Monument CO |
| 12S | Monument Muni Airport | Monument OR |
| UT25 | Monument Valley Airport | Monument Valley UT |
| VAD | Moody Afb Airport | Valdosta GA |
| 25XS | Moonbow Field Airport | Waxahachie TX |
| 87OR | Moondance Ranch Airport | Beatty OR |
| 22IN | Mooney Field Airport | Auburn IN |
| 3M5 | Moontown Airport | Huntsville AL |
| 8TS6 | Moore Airport | Kaufman TX |
| 1TE6 | Moore Airport | Wildorado TX |
| 01NH | Moore Airfield Airport | Enfield NH |
| TX54 | Moore Airpark Airport | Palmview TX |
| SOP | Moore County Airport | Pinehurst/southern Pines NC |
| DUX | Moore County Airport | Dumas TX |
| 99AK | Moore Creek Airport | Moore Creek AK |
| MA34 | Moore Dogs Heliport | Carver MA |
| 1AL8 | Moore Field Airport | Moody AL |
| SN48 | Moore Field Airport | Byers KS |
| 7TE7 | Moore Field Airport | Mission TX |
| WV19 | Moore Field Airport | Kingwood WV |
| 7XS6 | Moore Hx Ranch Airport | Fairfield TX |
| 0IA5 | Moore Private Airport | Millerton IA |
| 73TE | Moore Pvt Airport | Azle TX |
| 24TA | Moore Ranch Airport | Centerville TX |
| 83TS | Moore Ranch Airport | Gordon TX |
| 0NC2 | Moore Rgnl Hospital Heliport | Pinehurst NC |
| SC43 | Moore's Field Airport | Williamston SC |
| MOR | Moore-murrell Airport | Morristown TN |
| VA27 | Moorefield's Airstrip Airport | Critz VA |
| MDF | Mooreland Muni Airport | Mooreland OK |
| 1E8 | Moores Airport | Degrasse NY |
| 6Y0 | Moorestown Airpark Airport | Moorestown MI |
| PN40 | Moorhead Airpark Llc Airport | North East PA |
| JKJ | Moorhead Muni Airport | Moorhead MN |
| 86MT | Moose City Airport | Polebridge MT |
| MT07 | Moose Country Heliport | Rexford MT |
| 1U1 | Moose Creek /usfs/ Airport | Moose Creek Ranger Station ID |
| MZH | Moose Lake Carlton County Airport | Moose Lake MN |
| 60B | Moose River Seaplane Base | Jackman ME |
| AK55 | Moose Run Airstrip Airport | Soldotna AK |
| 1MU7 | Mooseberry Airport | Jackson MO |
| PR68 | Mora Development Corp Heliport | Hato Rey PR |
| JMR | Mora Muni Airport | Mora MN |
| I73 | Moraine Air Park Airport | Dayton OH |
| MA43 | Morehaven Airport | Granville MA |
| NC80 | Morehead City State Port Terminal Heliport | Morehead City NC |
| M97 | Morehead-rowan County Clyde A. Thomas Rgnl Airport | Morehead KY |
| BQP | Morehouse Memorial Airport | Bastrop LA |
| 23AZ | Moreton Airpark Airport | Wickenburg AZ |
| NC00 | Moretz Riverside Landing Airport | Sanford NC |
| 22Y | Morey's Airport | Motley MN |
| 1JY5 | Morey's Heliport | Wildwood NJ |
| I71 | Morgan County Airport | Mc Connelsville OH |
| 42U | Morgan County Airport | Morgan UT |
| 3LA6 | Morgan Crop Service Nr 2 Airport | Lake Charles LA |
| 8KS0 | Morgan Farms Airport | Ulysses KS |
| 0LS7 | Morgan Field Airport | New Roads LA |
| 0MS2 | Morgan Field Airport | Seminary MS |
| 02ID | Morgan Ranch Airport | Cascade ID |
| OR71 | Morgan's Airport | Ballston OR |
| O03 | Morgantown Airport | Morgantown PA |
| MGW | Morgantown Muni-walter L. Bill Hart Fld Airport | Morgantown WV |
| 0E0 | Moriarty Airport | Moriarty NM |
| 7NK7 | Morin Airport | Sherburne NY |
| K61 | Moritz Memorial Airport | Beloit KS |
| 8OI9 | Morkassel Field Airport | Idaho OH |
| AZ56 | Mormon Flat Dam Heliport | Goldfield AZ |
| CD69 | Morning Shadows Ranch Airport | South Fork CO |
| 49KY | Morning Star Heliport | Lexington KY |
| Y76 | Morningstar Field Airport | Des Moines IA |
| 3OH1 | Morningstar North Airport | West Alexandria OH |
| 1TA6 | Morningstar Ranch Heliport | Whitesboro TX |
| CL28 | Moronga Basin Chp Heliport | Joshua Tree CA |
| 92CL | Moronis Airport | Meridian CA |
| ME32 | Morrel Field Airport | Sangerville ME |
| ME67 | Morrill Airpark Airport | Van Buren ME |
| 07AR | Morrilton Airport | Morrilton AR |
| BDQ | Morrilton Muni Airport | Morrilton AR |
| CD13 | Morris Airport | Deer Trail CO |
| GE00 | Morris Seaplane Base | Evans GA |
| OL23 | Morris Airport | Sapulpa OK |
| PS56 | Morris Heliport | Gettysburg PA |
| 8OH7 | Morris Field Airport | East Palestine OH |
| LL04 | Morris Hospital Heliport | Morris IL |
| TA23 | Morris Lazy K Ranch Airport | Marquez TX |
| TA06 | Morris Manor Airport | Cumby TX |
| MOX | Morris Muni - Charlie Schmidt Fld Airport | Morris MN |
| C09 | Morris Muni - James R. Washburn Field Airport | Morris IL |
| 79TA | Morris Ranch Airport | Cotulla TX |
| 92NH | Morrison Heliport | Meredith NH |
| 5LL9 | Morrison Community Hospital Heliport | Morrison IL |
| 48NC | Morrison Field Airport | Lexington NC |
| 0IN6 | Morrison Flight Park Ultralight | Linton IN |
| ME88 | Morrison's Airport | Perry ME |
| WN85 | Morrisonville Intl Airport | Morrisonville WI |
| 7NJ5 | Morristown Memorial Hospital Heliport | Morristown NJ |
| MMU | Morristown Muni Airport | Morristown NJ |
| MVL | Morrisville-stowe State Airport | Morrisville VT |
| 4I9 | Morrow County Airport | Mount Gilead OH |
| 1LA5 | Morrow Strip Airport | Morrow LA |
| 0WI1 | Mort's Landing Airport | Comstock WI |
| 62ND | Morten Airport | Larimore ND |
| 1VT8 | Mortimer Brown Landing Airport | Castleton VT |
| IS55 | Morton Airport | La Harpe IL |
| AZ00 | Morton Field Ultralight | Dateland AZ |
| 1MA9 | Morton Hospital Heliport | Taunton MA |
| 06FL | Morton Plant Hospital Heliport | Clearwater FL |
| PS64 | Morton's Airport | Cambridge Springs PA |
| VA21 | Morven Farms Heliport | Charlottesville VA |
| 80AK | Morvro Lake Seaplane Base | Houston AK |
| 7A7 | Mosby Ahp Heliport | Dahlonega GA |
| 4KY4 | Moseley Field Airport | Calhoun KY |
| NA54 | Moser Airstrip Airport | Westfield ND |
| KMY | Moser Bay Seaplane Base | Moser Bay AK |
| W20 | Moses Lake Muni Airport | Moses Lake WA |
| 69NY | Moses Ludington Hospital Heliport | Ticonderoga NY |
| MOS | Moses Point Airport | Elim AK |
| N01 | Mosquero Emergency Services Heliport | Mosquero NM |
| FA41 | Mosquito Control Heliport | Jacksonville FL |
| FA33 | Mosquito Ctl Heliport | Sarasota FL |
| 6NC9 | Moss Hill Airport | Kinston NC |
| 45FL | Moss Meadows Airport | Live Oak FL |
| TE18 | Mother Frances Hospital Heliport | Tyler TX |
| 7TA4 | Mother Frances Hospital Heliport | Tyler TX |
| 16CL | Mother Lode Service Center Heliport | Angels Camp CA |
| 90KY | Mother Nature Spring Water Heliport | Ashcamp KY |
| 1PA8 | Motola's Helicopter Service Inc. Heliport | Lehighton PA |
| PN60 | Motola's Paving Heliport | Lehighton PA |
| 06A | Moton Field Muni Airport | Tuskegee AL |
| FD34 | Motorsports Complex Ems Heliport | Homestead FL |
| FD17 | Motorsports Complex Vip Heliport | Homestead FL |
| 5AZ6 | Motown Airport | Mobile AZ |
| 3P3 | Mott Muni Airport | Mott ND |
| 4AZ1 | Moulder Heliport | Surprise AZ |
| 5M3 | Moultonboro Airport | Moultonboro NH |
| MGR | Moultrie Muni Airport | Moultrie GA |
| 47K | Moundridge Muni Airport | Moundridge KS |
| WV44 | Moundsville Seaplane Base | Moundsville WV |
| AL44 | Moundville Airport | Moundville AL |
| 2AL7 | Mount Aero Lake Farm Airport | Hanceville AL |
| MWK | Mount Airy/surry County Airport | Mount Airy NC |
| 28OI | Mount Carmel East Hospital Heliport | Columbus OH |
| OI61 | Mount Carmel Health Heliport | Columbus OH |
| AJG | Mount Carmel Muni Airport | Mount Carmel IL |
| 7GA5 | Mount Cove Airport | Kensington GA |
| AZ44 | Mount Graham Rgnl Medical Center Heliport | Safford AZ |
| 3MY | Mount Hawley Auxiliary Airport | Peoria IL |
| 0NJ3 | Mount Holly Heliport | Mount Holly NJ |
| SC98 | Mount Holly Airport | Goose Creek SC |
| 56OR | Mount Hood Medical Center Heliport | Gresham OR |
| 06VA | Mount Horeb Field Airport | Grottoes VA |
| 1CO1 | Mount Morrison Heliport | Morrison CO |
| 2FA9 | Mount Olive Farm Airport | Lamont FL |
| W40 | Mount Olive Muni Airport | Mount Olive NC |
| 43U | Mount Pleasant Airport | Mount Pleasant UT |
| 67NJ | Mount Pleasant Landing Strip Airport | Hainesburg NJ |
| MPZ | Mount Pleasant Muni Airport | Mount Pleasant IA |
| MOP | Mount Pleasant Muni Airport | Mount Pleasant MI |
| OSA | Mount Pleasant Rgnl Airport | Mount Pleasant TX |
| P45 | Mount Pleasant/scottdale Airport | Mount Pleasant PA |
| CD52 | Mount Princeton Heliport | Mount Princeton CO |
| 3FL0 | Mount Royal Airport | Welaka FL |
| CO64 | Mount San Rafael Heliport | Trinidad CO |
| FL93 | Mount Sinai Medical Center Heliport | Miami Beach FL |
| WN10 | Mount St Helen's Aero Ranch Airport | Cougar WA |
| I63 | Mount Sterling Muni Airport | Mount Sterling IL |
| IOB | Mount Sterling-montgomery County Airport | Mount Sterling KY |
| MVN | Mount Vernon Airport | Mount Vernon IL |
| VA82 | Mount Vernon Hospital Heliport | Alexandria VA |
| 2MO | Mount Vernon Muni Airport | Mount Vernon MO |
| HIE | Mount Washington Rgnl Airport | Whitefield NH |
| CD70 | Mount Werner Heliport | Steamboat Springs CO |
| 2IL4 | Mountain Airport | Perry IL |
| 2NC0 | Mountain Air Airport | Burnsville NC |
| 0GE5 | Mountain Airpark Airport | Cleveland GA |
| PA49 | Mountain Bay Air Park Inc Airport | Hawley PA |
| 82CO | Mountain Bell Heliport | Grand Junction CO |
| CD11 | Mountain Bell/durango Heliport | Durango CO |
| 17PS | Mountain Crest Airport | Tidioute PA |
| MKJ | Mountain Empire Airport | Marion/wytheville VA |
| 8NY2 | Mountain Fresh Farm Heliport | Milton NY |
| 1MO | Mountain Grove Memorial Airport | Mountain Grove MO |
| 3PS4 | Mountain Hide-away Airport | Millcreek PA |
| MUO | Mountain Home Afb Airport | Mountain Home ID |
| U76 | Mountain Home Muni Airport | Mountain Home ID |
| 25SC | Mountain Ridge Airport | Greenville SC |
| MD43 | Mountain Road Airport | Lakeshore MD |
| 94PA | Mountain Springs Heliport | Coudersport PA |
| NY02 | Mountain Top Airport | Davenport NY |
| 4PS4 | Mountain Top Airport | Chadds Ford PA |
| L94 | Mountain Valley Airport | Tehachapi CA |
| CT53 | Mountain View Heliport | Somers CT |
| MNF | Mountain View Airport | Mountain View MO |
| 20NC | Mountain View Airport | Sherrills Ford NC |
| 14NK | Mountain View Airport | Kingsbury NY |
| NC37 | Mountain View Aerodrome Airport | Reidsville NC |
| 4NY0 | Mountain View Airpark Airport | Beekmantown NY |
| HI23 | Mountain View Airstrip Airport | Mountain View HI |
| VT64 | Mountain View Farm Airport | Morristown VT |
| NH31 | Mountain View Field Airport | Wolfeboro NH |
| OG35 | Mountain View Hospital Heliport | Madras OR |
| UT35 | Mountain View Hospital Heliport | Payson UT |
| 52CO | Mountain View Ranch Airport | Monument CO |
| 8VA9 | Mountain View Rgnl Medical Center Heliport | Norton VA |
| 7M2 | Mountain View Wilcox Memorial Field Airport | Mountain View AR |
| MOU | Mountain Village Airport | Mountain Village AK |
| M10 | Mountainair Muni Airport | Mountainair NM |
| 47CA | Mountains Community Hospital Heliport | Lake Arrowhead CA |
| 71TE | Moursund Ranch Airport | Round Mountain TX |
| 4MD6 | Moxley's Airport | Dublin MD |
| 3PA9 | Moyer Airport | Line Lexington PA |
| 6PN7 | Moyer Heliport | Pocono Lake PA |
| DC06 | Mpd 2nd Heliport | Washington DC |
| DC16 | Mpd 3rd District Heliport | Washington DC |
| DC07 | Mpd 5th Heliport | Washington DC |
| 14CT | Mptn Heliport Heliport | Mashantucket CT |
| MD40 | Mrs Bozman Heliport | Jacksonville MD |
| 35LA | Ms Pats Airport | Abbeville LA |
| 20PN | Msd Landing Area Heliport | West Point PA |
| OG10 | Mt Hope Airport | Lebanon OR |
| LRO | Mt Pleasant Rgnl-faison Field Airport | Mount Pleasant SC |
| 8TE5 | Mt Vernon Medical Center Heliport | Mount Vernon TX |
| NY43 | Mt View Heliport | Saugerties NY |
| 43AZ | Mtas 1 Heliport | Tonopah AZ |
| 89OR | Mucky Flat Airport | Eagle Point OR |
| 1U2 | Mud Lake/west Jefferson County/ Airport | Mud Lake ID |
| 55OR | Muddy Creek Airport | Corvallis OR |
| OG27 | Muddy Creek Airport | Haines OR |
| 4PS5 | Muddy Creek Airport | Carmicheal PA |
| 4PN4 | Muddy Run Heliport | Holtwood PA |
| 4KY7 | Mueller Farm Airport | Verona KY |
| NE79 | Mueller Field Airport | Roca NE |
| M21 | Muhlenberg County Airport | Greenville KY |
| MUI | Muir Aaf (fort Indiantown Gap) Airport | Fort Indiantown Gap(annville) PA |
| 6OK9 | Mulberry Hill Airport | Stillwater OK |
| VA17 | Mulberry Run Airport | Strasburg VA |
| 4MN4 | Mulder Field Inc Airport | Ivanhoe MN |
| HMY | Muldrow Ahp Heliport | Lexington OK |
| 2T1 | Muleshoe Muni Airport | Muleshoe TX |
| OI99 | Mulholland Airport | Celina OH |
| 4S9 | Mulino State Airport | Portland-mulino OR |
| 10WA | Mullan Hill Airport | Spokane WA |
| 6XS3 | Mullins Landing Airport | Farmersville TX |
| WI11 | Mumm Field Airport | Orfordville WI |
| IL62 | Munch Heliport | Chemung IL |
| 7PS5 | Muncy Valley Hospital Heliport | Muncy PA |
| MA80 | Mundale Airport | Westfield MA |
| 37F | Munday Muni Airport | Munday TX |
| 87OH | Mundron Field Airport | Fayette OH |
| SN79 | Muni Office Bldg Heliport | Kansas City KS |
| K49 | Municipal Airport | Texhoma OK |
| OG36 | Munson Airport | Junction City OR |
| 22MI | Munson Medical Center Heliport | Traverse City MI |
| 8F6 | Murdo Muni Airport | Murdo SD |
| 23Y | Murdock Muni Airport | Murdock MN |
| 23VG | Murdock's Holly Bu Airport | Boydton VA |
| MBT | Murfreesboro Muni Airport | Murfreesboro TN |
| 2WN5 | Murmuring Springs Airport | Necedah WI |
| 1CD0 | Murphy Heliport | Longmont CO |
| 1U3 | Murphy Airport | Murphy ID |
| 3II0 | Murphy Airport | Fremont IN |
| 70IL | Murphy Farms Airport | Farmersville IL |
| 06NY | Murphy Field Airport | Auburn NY |
| 17TN | Murphy Field Airport | Jonesborough TN |
| 5IA7 | Murphy Field Private Airport | Wellman IA |
| 3U0 | Murphy Hot Springs Airport | Three Creek ID |
| 5NC4 | Murphy Medical Center Heliport | Murphy NC |
| 3OR9 | Murphy Ranch Airport | Juntura OR |
| 80GA | Murphy's Landing Airport | Grantville GA |
| NH43 | Murphy-sherwood Park Airport | Nottingham NH |
| 0NY7 | Murphys Lndg Strip Airport | Perth NY |
| 8K9 | Murphys Pullout Seaplane Base | Ketchikan AK |
| 7KY0 | Murray Calloway County Hospital Heliport | Murray KY |
| EKA | Murray Field Airport | Eureka CA |
| MUT | Muscatine Muni Airport | Muscatine IA |
| 68AZ | Music Mountain Air Ranch Airport | Hackberry AZ |
| NE43 | Musiel Airport | Morse Bluff NE |
| MA55 | Muskeget Island Airport | Muskeget Island MA |
| MKG | Muskegon County Airport | Muskegon MI |
| 8MI6 | Muskegon General Hospital Heliport | Muskegon MI |
| 94OK | Muskogee Rgnl Medical Center Heliport | Muskogee OK |
| 7IL0 | Mussman Airport | Grant Park IL |
| 2CL9 | Mustang Airport | Galt CA |
| RAS | Mustang Beach Airport | Port Aransas TX |
| XS60 | Mustang Community Airfield Airport | Aubrey TX |
| 0GA1 | Mustang Field Airport | Hartwell GA |
| XS45 | Mustang Island Heliport | Port Aransas TX |
| ND89 | Mutschler Field Airport | Clementsville ND |
| 1TX6 | Muxworthy Airport | Hamilton TX |
| TE05 | Mx Ranch Heliport | Ennis TX |
| TE44 | My Heliport | Dayton TX |
| WN65 | My Airport | Elma WA |
| 67FL | Myakka Head Airport | Zolfo Springs FL |
| 6PA0 | Myer Airport | Milford PA |
| MI25 | Myers Airport | Bridgman MI |
| 7IN6 | Myers Farm Airport | Livonia IN |
| CNB | Myers Field Airport | Canby MN |
| 4MN8 | Myers Field Airport | Pequot Lakes MN |
| 2OL2 | Myers Field Ultralight | Bixby OK |
| TN67 | Myers-smith Airport | Estill Springs TN |
| 53NC | Mynatt Field Airport | Lumberton NC |
| 33OK | Myrick Airport | Edmond OK |
| 1M8 | Myricks Airport | Berkley MA |
| SC21 | Myrtle Beach Hardee Airpark Airport | Loris SC |
| MYR | Myrtle Beach Intl Airport | Myrtle Beach SC |
| 16S | Myrtle Creek Muni Airport | Myrtle Creek OR |
| OG62 | Myrtle Creek Muni Heliport | Myrtle Creek OR |
| 68LS | Myrtle Grove Airport | Waterproof LA |
| WN25 | Myrtle Werth Medical Center Heliport | Menomonie WI |
| IA55 | Myrtue Memorial Hospital Heliport | Harlan IA |
| 2TS0 | Myska Field Airport | Denton TX |
| 20CL | Mysterious Valley Airport | Pope Valley CA |
| 25AZ | Mystery Well Ranch Airport | Portal AZ |
| NM56 | Mystic Bluffs Airport | Ramah NM |
| LS97 | Myu Heliport | Luling LA |
