Keymar Airpark Airport (MD42)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	MD42
Airport Status	Operational
Longitude/Latitude	77°13'38.9400" W / 39°37'10.3580" N -77.227483 / 39.619544 (Estimated)
Elevation	437.00 ft / 133.20 m (Surveyed)
Land	13 acres
From nearest city	2 nautical miles NE of Keymar, MD
Location	Carroll County, MD
Magnetic Variation	10W (1985)

Owner & Manager

Ownership	Privately owned
Owner	PETER MASTROPIER/CHELSEA MASTROPIER
Address	1591 FRANCIS SCOTT KEY HWY KEYMAR, MD 21757
Phone number	410-591-6088
Manager	PETER MASTROPIER/CHELSEA MASTROPIER
Address	1591 FRANCIS SCOTT KEY HWY KEYMAR, MD 21757
Phone number	410-591-6088

Airport Operations and Facilities

Airport Use	Private
Wind indicator	Yes
Segmented Circle	No
Control Tower	NON-ATCT
Landing fee charge	No
Sectional chart	WASHINGTON
Region	AEA - Eastern
Responsible ARTCC	ZDC - WASHINGTON
Tie-in FSS	DCA - LEESBURG
FSS on Airport	No
FSS Toll Free	1-800-WX-BRIEF

Airport Services

Airframe repair	NONE
Power plant repair	NONE
Transient storage	Tiedown

Runway Information

Runway 05/23

Dimensions	1950 x 100 ft (594 x 30 m)
Surface	TURF
Surface treatment

	05	23
Traffic pattern	Right	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
FND	NDB	ELLICOTT		371.00	11W	28.9 nm
MD	NDB	ENOLA		204.00	11W	40.6 nm
GTN	NDB	GEORGETOWN		323.00	09W	41.7 nm
THS	TACAN	ST THOMAS	97X	115.00	07W	38.4 nm
HGR	VOR	HAGERSTOWN		109.80	07W	29.4 nm
FDK	VOR/DME	FREDERICK	115Y	116.85	08W	14.2 nm
AML	VOR/DME	ARMEL	82X	113.50	08W	42.6 nm
DCA	VOR/DME	WASHINGTON	47X	111.00	09W	46.5 nm
EMI	VORTAC	WESTMINSTER	126X	117.90	08W	13.8 nm
MRB	VORTAC	MARTINSBURG	58X	112.10	07W	32.0 nm
BAL	VORTAC	BALTIMORE	98X	115.10	11W	37.7 nm
HAR	VORTAC	HARRISBURG	100Y	115.35	10W	41.7 nm
MDT	VOT	HARRISBURG		110.00		40.8 nm

Remarks

• LIGHT SPORT AIRCRAFT AND ULTRALIGHT VEHICLES ON & INVOF ARPT.
• FOR CD CTC POTOMAC APCH AT 866-709-4993.
• POWERED PRCHT OPS NA EFF 16 OCT 23 UFN.