Green Terrace Heliport (3MD7)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	3MD7
Airport Status	Operational
Longitude/Latitude	76°30'18.9000" W / 39°24'10.7500" N -76.505250 / 39.402986 (Estimated)
Elevation	310.00 ft / 94.49 m (Estimated)
Land	3 acres
From nearest city	6 nautical miles NE of Baltimore, MD
Location	Baltimore County, MD
Magnetic Variation	10W (1985)

Owner & Manager

Ownership	Privately owned
Owner	JOSEF J. RIEDLBAUER
Address	9804 MAGLEDT RD BALTIMORE, MD 21234
Phone number	410-661-3862
Manager	JOSEF J. RIEDLBAUER
Address	9804 MAGLEDT RD BALTIMORE, MD 21234
Phone number	410-661-3862

Airport Operations and Facilities

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

Airport Communications

UNICOM

123.05 MHz

Runway Information

Runway H1

Dimensions	26 x 26 ft (8 x 8 m)
Surface	CONC
Surface treatment
Edge lights	PERI

	H1
Physical elevation	310.00 ft	ft
Coordinates	39.402986 / -76.505250	0.000000 / 0.000000
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
FND	NDB	ELLICOTT		371.00	11W	14.4 nm
GTN	NDB	GEORGETOWN		323.00	09W	40.5 nm
IL	NDB	HADIN		248.00	10W	42.7 nm
OTT	TACAN	NOTTINGHAM	84X	113.70	10W	43.4 nm
FDK	VOR/DME	FREDERICK	115Y	116.85	08W	40.4 nm
DCA	VOR/DME	WASHINGTON	47X	111.00	09W	41.0 nm
LRP	VOR/DME	LANCASTER	120X	117.30	09W	44.2 nm
BAL	VORTAC	BALTIMORE	98X	115.10	11W	15.7 nm
EMI	VORTAC	WESTMINSTER	126X	117.90	08W	22.7 nm
ADW	VORTAC	ANDREWS	78X	113.10	10W	39.6 nm
DQO	VORTAC	DUPONT	87X	114.00	10W	44.8 nm
ENO	VORTAC	SMYRNA	51X	111.40	09W	47.1 nm
MXE	VORTAC	MODENA	79X	113.20	09W	49.5 nm
MDT	VOT	HARRISBURG		110.00		49.2 nm

Remarks

• FOR CD CTC POTOMAC APCH AT 866-429-5882.
• PRVDD OPNS ARE TO/FROM THE NORTH.