| Montgomery County Airpark KGAI GAI (Gaithersburg, MD) Class G: untowered Elevation: 538
Chart Supplement (pdf version) MONTGOMERY CO AIRPARK (GAI)(KGAI)
3 NE UTC–5(–4DT) N39º10.10´ W77º09.96´ 539 B TPA—See Remarks NOTAM FILE DCA
RWY 14–32: H4202X75 (Asphalt) MIRL 1.1% up SE SERVICE: S6 FUEL 100LL, JET A OXYGEN 4
LIGHTING ACTIVATE Runway End Identifier Lights Runway 14 &
32; MIRL Runway 14–32—CTAF. PAPI Runway 14 and Runway 32 operates continuously.
Runway 32 PAPI baffled beyond 5 degree left of course due to building.
NOISE: Noise abatement departures Runway 32; turn right to at least 340 degrees; jets refrain from Runway 32 takeoff between 0400–1200Z‡. AIRPORT REMARKS: Attended March–May 1300–0000Z‡, June–September 1300–0100Z‡, October–February 1300–2300Z‡. Unattended Christmas Day. Deer and birds on and in the vicinity of airport. For after hours service call 301–963–8043. Fuel truck available 1300–0100Z‡, request on 122.85. Self–serve 100LL available with credit card. Be alert SFRA procedures in effect. Preferred calm wind Runway 14. Airport not recommended for aircraft with wingspan in excess of 79 foot & gross weight in excess of 48,000 lbs. Runway 14 has 30 foot downslope 75 foot L/Right of centerline at threshold to 150 foot both sides. South ramp not recommended for aircraft with wingspan greater than 79 foot or weight greater than 40,000 lbs. Helicopters refrain from air taxi over paved parking ramps. TPA—1539(1000), turbine and jet 2039(1500), helicopters 1339(800). AIRPORT MANAGER: 301-978-7009 WEATHER DATA SOURCES: AWOS–3PT 128.275 (301) 977–2971. COMMUNICATIONS: CTAF/UNICOM 123.075 ®POTOMAC APPROACH/DEPARTURE CONTROL 128.7 CLEARANCE DELIVERY 121.6 CLEARANCE DELIVERY PHONE: For clearance delivery contact Potomac Approach at 866-429-5882.
RADIO AIDS TO NAVIGATION: NOTAM FILE FDK. FREDERICK (L) (L) VORW/DME 116.85
FDK Chan. 115(Y) N39º24.73´ W77º22.51´
154º 17.6 NM to field.
303/8W.
VOR unusable:
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Database updated: 2026/03/19