FAA INFORMATION EFFECTIVE 25 DECEMBER 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 25 December 2025 at 0901z to 22 January 2026 at 0900z.
STARs - Standard Terminal Arrivals |
| TRSTN FOUR (RNAV) | |
2 pages:
[1] [2] (317KB) |
IAPs - Instrument Approach Procedures |
| RNAV (GPS) RWY 14 | |
download (229KB) |
| 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] (293KB) |
| 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 10-Jan-2026
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 06:59 | | 11:59 |
| Sunrise | | 07:29 | | 12:29 |
| Sunset | | 17:04 | | 22:04 |
| Evening civil twilight | | 17:33 | | 22:33 |
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| Current date and time |
| Zulu (UTC) | 10-Jan-2026 14:38:57 |
| Local (UTC-5) | 10-Jan-2026 09:38:57 |
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| METAR |
| KGAI | 101356Z AUTO 00000KT 10SM -RA FEW070 OVC100 08/08 A3017 RMK AO2 RAB45 SLP230 P0000 T00780078
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KCGS 16nm SE | 101415Z AUTO 02004KT 7SM -RA OVC110 09/07 A3018 RMK AO2 T00880074
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KFDK 18nm NW | 101347Z 00000KT 7SM -RA FEW040 BKN075 06/06 A3019
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KFME 19nm E | 101415Z AUTO 00000KT 10SM SCT032 BKN085 OVC110 07/06 A3019 RMK AO1
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KIAD 19nm SW | 101352Z 02005KT 8SM -RA SCT070 OVC100 09/07 A3016 RMK AO2 SLP214 P0002 T00890072
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KJYO 20nm W | 101415Z AUTO 10SM -RA BKN033 BKN047 OVC070 07/07 A3018 RMK AO2
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| TAF |
KIAD 19nm SW | 101125Z 1012/1118 02005KT P6SM SCT080 BKN110 FM101300 05004KT 6SM -RA OVC030 FM101500 06005KT 5SM -RA OVC015 FM101800 08005KT 3SM RA BR OVC005 FM110100 30005KT 5SM BR OVC007 FM110600 30005KT P6SM BKN035 FM111400 30010G18KT P6SM SCT250
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KDCA 20nm S | 101428Z 1014/1118 03007KT P6SM -RA OVC100 FM101500 07006KT 5SM -RA BKN010 OVC030 FM101800 07006KT 3SM RA OVC005 FM110200 30005KT 5SM BR OVC007 FM110600 30007KT P6SM BKN035 FM111400 30010G18KT P6SM SCT250
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KBWI 22nm E | 101125Z 1012/1118 06004KT P6SM FEW005 BKN080 FM101300 06004KT 5SM -RA OVC040 FM101700 07007KT 3SM RA OVC006 FM102200 07006KT 4SM -RA OVC004 FM110200 30005KT 5SM BR OVC007 FM110700 30007KT P6SM BKN035 FM111400 30010G18KT P6SM SCT250
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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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