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Montgomery County Airpark
GAI · KGAI · Gaithersburg, MD · 539 ft elevation · var 9W · Towered
Airport information
- ICAO / IATA
- KGAI / GAI
- Coordinates
- 39.1683, -77.1660
- Elevation
- 539 ft MSL
- Magnetic variation
- 9W
- Sectional chart
- WASHINGTON
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- WASHINGTON (ZDC)
- Flight service (FSS)
- LEESBURG
- NOTAM facility
- DCA
- Attendance
- MARCH-MAY ALL 0800-1900; JUNE-SEPTEMBER ALL 0800-2000; OCTOBER-FEBRUARY ALL 0800-1800
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Activated
- 1960/08
- Distance from city
- 3 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:10 AM | 09:10Z |
| Sunrise | 05:42 AM | 09:42Z |
| Sunset | 08:38 PM | 00:38Z |
| Evening civil twilight Loggable night begins | 09:10 PM | 01:10Z |
Loggable night (§1.1)
09:10 PM → 05:10 AM
Night currency (§61.57)
09:38 PM → 04:42 AM
Plan a flight from KGAI
Runway 14/32
4,202 ft × 75 ft · Asphalt (Good) 14
- Heading
- 136° mag · 127° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
32
- Heading
- 316° mag · 307° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3.25°)
- Traffic pattern
- Right
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 128.7 | POTOMAC APP/DEP |
| AWOS | 128.275 | AWOS 3 |
| CLD | 121.6 | POTOMAC CLNC DEL |
| UNIC | 123.075 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| FDK · Frederick | VOR | 109.00 | r154° / 17.6 NM |
| DCA · Washington | VOR-DME | 111.00 | r351° / 19.5 NM |
| AML · Armel | VORTAC | 113.50 | r053° / 19.8 NM |
| EMI · Westminster | VORTAC | 117.90 | r212° / 21.5 NM |
| BAL · Baltimore | VORTAC | 115.10 | r281° / 23.5 NM |
| ADW · Andrews | VORTAC | 113.10 | r337° / 25.8 NM |
| OTT · Nottingham | VORTAC | 113.70 | r335° / 34 NM |
Approaches
- RNAV (GPS) RWY 14 ↗ · amdt 3C
- RNAV (GPS)-A ↗ · amdt 0D
Departures
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- LOW
- Bulk oxygen
- NONE
- Airframe service
- MINOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Avionics, Charter, Instruction, Rental, Aircraft sales
Ownership & management
Owner
MONTGOMERY COUNTY REV AUTH
101 MONROE ST 4TH FLOOR, SUITE 410, ROCKVILLE, MD
301-762-9080
Manager
JUSTIN BOLLUM, C.M.
7940 AIRPARK ROAD, SUITE 410, GAITHERSBURG, MD
301-978-7009
Remarks FAA
- THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
- NOISE ABATEMENT DEP RWY 32; TURN RIGHT TO AT LEAST 340 DEGS; JETS REFRAIN FROM RWY 32 TAKEOFF BTWN 2300-0700.
- DEER & BIRDS ON & INVOF ARPT.
- HELICOPTERS REFRAIN FM AIR TAXI OVER PAVED PARKING RAMPS.
- RWY 14 HAS 30 FT DOWNSLOPE 75 FT L/R OF CNTRLN AT THR TO 150 FT BOTH SIDES.
- ARPT NOT RECOMMENDED FOR ACFT WITH WINGSPAN IN EXCESS OF 79 FT & GROSS WT IN EXCESS OF 48000 POUNDS.
- SOUTH RAMP NOT RECOMMENDED FOR AIRCRAFT WITH WINGSPAN GREATER THAN 79 FT OR WEIGHT GREATER THAN 40000 LBS.
- BE ALERT SFRA PROCEDURES IN EFFECT.
- PREFERRED CALM WIND RWY 14.
- FOR CD CTC POTOMAC APCH AT 866-429-5882.
- RWY 32 PAPI BAFFLED BYD 5 DEG L OF CRS DUE TO BLDG.
- ACTVT REIL RWY 14 & 32; MIRL RWY 14/32 - CTAF. PAPI RWY 14 & 32 OPR CONSLY.
- 1000 FT AGL (1539 FT MSL) TURBINE AND JET 1500 FT AGL (2039 FT MSL) HELICOPTERS 800 FT AGL (1339 FT MSL).
- UNATNDD CHRISTMAS DAY. FOR AFT HRS SVC CALL 301-963-8043.
- EXT. 1011
- FUEL TRUCK AVBL 0800-2000; REQUEST ON 122.85. SELF-SERVE 100LL AVAILABLE WITH CREDIT CARD.
- RWY 14, 47 FT TREES, 169 FT R, 195 FT FM THR.
- RWY 32 HAS +15 FT RIDGE PARALLEL TO RWY 155 FT L; +6FT FENCE PARALLEL TO RWY 180 FT R.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KGAI in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.