FAA INFORMATION EFFECTIVE 27 NOVEMBER 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 27 November 2025 at 0901Z to 25 December 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] (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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| 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 29-Nov-2025
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 06:39 | | 11:39 |
| Sunrise | | 07:08 | | 12:08 |
| Sunset | | 16:46 | | 21:46 |
| Evening civil twilight | | 17:15 | | 22:15 |
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| Current date and time |
| Zulu (UTC) | 29-Nov-2025 19:35:37 |
| Local (UTC-5) | 29-Nov-2025 14:35:37 |
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| METAR |
| KGAI | 291856Z AUTO 00000KT 10SM CLR 05/M08 A3048 RMK AO2 SLP341 T00501083
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KCGS 16nm SE | 291915Z AUTO 25003KT 10SM CLR 06/M08 A3050 RMK AO2 T00611082
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KFDK 18nm NW | 291847Z 25005KT 10SM CLR 05/M07 A3051
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KFME 19nm E | 291915Z AUTO 00000KT 10SM CLR 05/M07 A3051 RMK AO1
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KIAD 19nm SW | 291852Z 00000KT 10SM FEW250 06/M09 A3048 RMK AO2 SLP324 T00561089
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KJYO 20nm W | 291915Z AUTO 10SM CLR 05/M05 A3049 RMK AO2
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| TAF |
KIAD 19nm SW | 291733Z 2918/3024 36005KT P6SM FEW250 FM292200 15005KT P6SM SCT250 FM301300 18008KT 6SM -SHRA BKN035 OVC050 PROB30 3013/3015 5SM -RASN BKN025 FM301900 19009KT P6SM SCT025 BKN060
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KDCA 20nm S | 291733Z 2918/3024 32006KT P6SM FEW050 FEW250 FM292100 18005KT P6SM SCT250 FM301300 19010KT 6SM -SHRA BKN035 OVC050 PROB30 3014/3016 5SM -RA BKN025 FM302000 19010KT P6SM SCT025 BKN060
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KBWI 22nm E | 291733Z 2918/3024 VRB04KT P6SM FEW045 FEW250 FM292100 18005KT P6SM SCT250 FM301300 19010KT P6SM BKN035 OVC050 PROB30 3013/3015 6SM -RASN BKN025 FM302000 19010KT P6SM SCT025 BKN060
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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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