FAA INFORMATION EFFECTIVE 30 OCTOBER 2025
Location
| FAA Identifier: | GAI |
| Lat/Long: | 39-10-06.0000N 077-09-57.6000W 39-10.100000N 077-09.960000W 39.1683333,-77.1660000 (estimated) |
| Elevation: | 538.7 ft. / 164.2 m (surveyed) |
| Variation: | 09W (1985) |
| From city: | 3 miles NE of GAITHERSBURG, MD |
| Time zone: | UTC -5 (UTC -4 during Daylight Saving Time) |
| Zip code: | 20879 |
Airport Operations
| Airport use: | Open to the public |
| Activation date: | 08/1960 |
| Control tower: | no |
| ARTCC: | WASHINGTON CENTER |
| FSS: | LEESBURG FLIGHT SERVICE STATION |
| NOTAMs facility: | DCA (NOTAM-D service available) |
| Attendance: | MARCH-MAY 0800-1900, JUNE-SEPTEMBER 0800-2000, OCTOBER-FEBRUARY 0800-1800 UNATNDD CHRISTMAS DAY. FOR AFT HRS SVC CALL 301-963-8043. |
| Pattern altitude: | 1000 FT AGL (1539 FT MSL) TURBINE AND JET 1500 FT AGL (2039 FT MSL) HELICOPTERS 800 FT AGL (1339 FT MSL). |
| Wind indicator: | no |
| Segmented circle: | yes |
| Lights: | ACTVT REIL RWY 14 & 32; MIRL RWY 14/32 - CTAF. PAPI RWY 14 & 32 OPR CONSLY. |
| Beacon: | white-green (lighted land airport) Operates sunset to sunrise. |
Airport Communications
| CTAF/UNICOM: | 123.075 |
| WX AWOS-3PT: | 128.275 (301-977-2971) |
| POTOMAC APPROACH: | 128.7 |
| POTOMAC DEPARTURE: | 128.7 |
| CLEARANCE DELIVERY: | 121.6 |
| TERPZ DP: | 128.7 |
| TRSTN STAR: | 126.75 |
| WX AWOS-3 at CGS (16 nm SE): | 121.225 (301-864-5497) |
| WX AWOS-3 at FDK (18 nm NW): | PHONE 301-600-1457 |
| WX AWOS-3 at JYO (19 nm W): | 125.225 (703-777-3781) |
| WX ASOS at IAD (19 nm SW): | 134.85 (571-250-7817) |
| WX AWOS-3 at FME (20 nm E): | 123.925 |
| WX ASOS at DCA (20 nm S): | 132.65 (276-200-0159) |
Nearby radio navigation aids
| VOR radial/distance | | VOR name | | Freq | | Var |
| FDKr154/17.6 | | FREDERICK VOR/DME | | 116.85 | | 08W |
| DCAr351/19.5 | | WASHINGTON VOR/DME | | 111.00 | | 09W |
| AMLr053/19.8 | | ARMEL VOR/DME | | 113.50 | | 08W |
| EMIr212/21.4 | | WESTMINSTER VORTAC | | 117.90 | | 08W |
| BALr281/23.5 | | BALTIMORE VORTAC | | 115.10 | | 11W |
| ADWr337/25.8 | | ANDREWS VORTAC | | 113.10 | | 10W |
| MRBr119/34.3 | | MARTINSBURG VORTAC | | 112.10 | | 07W |
| NDB name | | Hdg/Dist | | Freq | | Var | | ID |
| GEORGETOWN | | 001/14.4 | | 323 | | 09W | | GTN | --. - -. |
| ELLICOTT | | 259/19.4 | | 371 | | 11W | | FND | ..-. -. -.. |
| OXONN | | 356/25.0 | | 332 | | 11W | | VQK | ...- --.- -.- |
Airport Services
| Fuel available: | 100LL JET-A 100LL:FUEL TRUCK AVBL 0800-2000; REQUEST ON 122.85. SELF-SERVE 100LL AVAILABLE WITH CREDIT CARD. |
| Parking: | hangars and tiedowns |
| Airframe service: | MINOR |
| Powerplant service: | MAJOR |
| Bottled oxygen: | LOW |
| Bulk oxygen: | NONE |
Runway Information
Runway 14/32
| Dimensions: | 4202 x 75 ft. / 1281 x 23 m |
| Surface: | asphalt, in good condition |
| Runway edge lights: | medium intensity |
| RUNWAY 14 | | RUNWAY 32 |
| Latitude: | 39-10.310615N | | 39-09.890302N |
| Longitude: | 077-10.313343W | | 077-09.606908W |
| Elevation: | 493.3 ft. | | 538.7 ft. |
| Traffic pattern: | left | | right |
| Runway heading: | 136 magnetic, 127 true | | 316 magnetic, 307 true |
| Markings: | nonprecision, in good condition | | nonprecision, in good condition |
| Visual slope indicator: | 4-light PAPI on left (3.00 degrees glide path) | | 4-light PAPI on left (3.25 degrees glide path) |
| Runway end identifier lights: | yes | | yes |
| Touchdown point: | yes, no lights | | yes, no lights |
| Obstructions: | 44 ft. trees, 1406 ft. from runway, 197 ft. left of centerline, 27:1 slope to clear RWY 14, 47 FT TREES, 169 FT R, 195 FT FM THR. | | 24 ft. trees, lighted, 978 ft. from runway, 190 ft. left of centerline, 32:1 slope to clear RWY 32 HAS +15 FT RIDGE PARALLEL TO RWY 155 FT L; +6FT FENCE PARALLEL TO RWY 180 FT R. |
Airport Ownership and Management from official FAA records
| Ownership: | Publicly-owned |
| Owner: | MONTGOMERY COUNTY REV AUTH 101 MONROE ST 4TH FLOOR, SUITE 410 ROCKVILLE, MD 20850 Phone 301-762-9080 |
| Manager: | JUSTIN BOLLUM, C.M. 7940 AIRPARK ROAD, SUITE 410 GAITHERSBURG, MD 20879 Phone 301-978-7009 EXT. 1011 |
Additional Remarks
| - | NOISE ABATEMENT DEP RWY 32; TURN RIGHT TO AT LEAST 340 DEGS; JETS REFRAIN FROM RWY 32 TAKEOFF BTWN 2300-0700. |
| - | FOR CD CTC POTOMAC APCH AT 866-429-5882. |
| - | RWY 32 PAPI BAFFLED BYD 5 DEG L OF CRS DUE TO BLDG. |
| - | 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. |
Instrument Procedures
NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.NOT FOR NAVIGATION. Please procure official charts for flight. FAA instrument procedures published for use from 30 October 2025 at 0901Z to 27 November 2025 at 0900Z.
STARs - Standard Terminal Arrivals |
| TRSTN FOUR (RNAV) | |
2 pages:
[1] [2] (316KB) |
IAPs - Instrument Approach Procedures |
| RNAV (GPS) RWY 14 | |
download (228KB) |
| RNAV (GPS)-A | |
download (176KB) |
| NOTE: Special Alternate Minimums apply | |
download (45KB) |
Departure Procedures |
| CONLE FIVE (RNAV) | |
download (162KB) |
| FOXHL ONE (RNAV) | |
download (143KB) |
| LINSE TWO (RNAV) | |
download (150KB) |
| TERPZ EIGHT (RNAV) | |
2 pages:
[1] [2] (292KB) |
| NOTE: Special Take-Off Minimums/Departure Procedures apply | |
download (213KB) |
Other nearby airports with instrument procedures:
W50 - Davis Airport (5 nm N)
KCGS - College Park Airport (16 nm SE)
KFDK - Frederick Municipal Airport (18 nm NW)
KJYO - Leesburg Executive Airport (19 nm W)
KIAD - Washington Dulles International Airport (19 nm SW)
2W2 - Clearview Airpark (19 nm N)
KFME - Tipton Airport (20 nm E)
KDCA - Ronald Reagan Washington National Airport (20 nm S)
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Road maps at:
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| Aerial photo |
WARNING: Photo may not be current or correct
Photo taken 22-Sep-2016
looking north.
Do you have a better or more recent aerial photo of Montgomery County Airpark that you would like to share? If so, please send us your photo.
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| Sectional chart |
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| Airport distance calculator |
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| Sunrise and sunset |
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Times for 19-Nov-2025
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 06:29 | | 11:29 |
| Sunrise | | 06:57 | | 11:57 |
| Sunset | | 16:51 | | 21:51 |
| Evening civil twilight | | 17:20 | | 22:20 |
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| Current date and time |
| Zulu (UTC) | 19-Nov-2025 06:13:58 |
| Local (UTC-5) | 19-Nov-2025 01:13:58 |
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| METAR |
| KGAI | 190556Z AUTO 10004KT 6SM -RA SCT006 BKN060 OVC100 04/ A3008 RMK AO2 SLP201 P0002 60030 T0044 10056 20039 58020
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KCGS 16nm SE | 190555Z AUTO 00000KT 10SM -RA OVC070 05/05 A3010 RMK AO2 P0004 T00540046 10065 20051 60013
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KFDK 18nm NW | 190555Z AUTO 00000KT 9SM SCT009 BKN019 OVC050 05/04 A3010 RMK AO2 RAE0528 BKN V SCT P0003 60023 T00480044 10055 20043 58020 $
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KFME 19nm E | 190555Z AUTO 00000KT 4SM BKN065 OVC085 05/04 A3012 RMK AO1
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KIAD 19nm SW | 190552Z 13004KT 8SM -RA OVC060 05/04 A3007 RMK AO2 SLP183 P0002 60012 T00500044 10056 20044 58019
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KJYO 20nm W | 190555Z AUTO 4SM -RA OVC008 05/05 A3008 RMK AO2 P0002
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| TAF |
KIAD 19nm SW | 190304Z 1903/2006 09004KT 6SM -RA OVC050 FM190600 13004KT 6SM -RA OVC020 FM190900 13003KT 6SM BR OVC008 FM191200 36004KT P6SM BKN008 FM191600 35008KT P6SM BKN010 FM192300 01005KT P6SM BKN020
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KDCA 20nm S | 190524Z 1906/2012 14004KT 6SM -RA SCT015 OVC040 FM190800 13003KT P6SM BKN015 OVC027 TEMPO 1908/1910 6SM -RA BKN015 OVC060 FM191000 22005KT P6SM BKN015 OVC025 FM191100 28004KT P6SM BKN027 FM191200 30004KT 6SM BR BKN030 FM191700 36006KT P6SM SCT015 OVC025 FM192300 01004KT P6SM BKN027 FM200900 01003KT P6SM SCT030 OVC060
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KBWI 22nm E | 190524Z 1906/2012 13004KT 5SM -RA BR SCT006 OVC012 TEMPO 1906/1909 BKN006 FM190900 10003KT 4SM -RA BR OVC006 FM191100 03002KT 5SM BR OVC005 FM191500 01005KT P6SM OVC008 FM191700 36006KT P6SM OVC011 FM192000 36006KT P6SM OVC022 FM200100 01002KT P6SM BKN025
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| NOTAMs |
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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