FAA INFORMATION EFFECTIVE 20 FEBRUARY 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 (703-661-2990) |
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 | | 109.00 | | 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 | ...- --.- -.- |
DAVEE | | 004/30.5 | | 223 | | 09W | | DAA | -.. .- .- |
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: | 39 ft. trees, 1562 ft. from runway, 34:1 slope to clear RWY 14, 47 FT TREES, 169 FT R, 195 FT FM THR. | | 25 ft. trees, lighted, 946 ft. from runway, 66 ft. left of centerline, 29:1 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 20 February 2025 at 0901Z to 20 March 2025 at 0900Z.
STARs - Standard Terminal Arrivals |
TRSTN FOUR (RNAV) **NEW** | |
2 pages:
[1] [2] (317KB) |
IAPs - Instrument Approach Procedures |
RNAV (GPS) RWY 14 | |
download (232KB) |
RNAV (GPS)-A | |
download (180KB) |
NOTE: Special Alternate Minimums apply | |
download (45KB) |
Departure Procedures |
CONLE FIVE (RNAV) | |
download (162KB) |
FOXHL ONE (RNAV) | |
download (143KB) |
LINSE TWO (RNAV) **NEW** | |
download (150KB) |
TERPZ EIGHT (RNAV) | |
2 pages:
[1] [2] (294KB) |
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:
MapQuest
Bing
Google
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 |
Times for 21-Feb-2025
| | Local (UTC-5) | | Zulu (UTC) |
Morning civil twilight | | 06:26 | | 11:26 |
Sunrise | | 06:54 | | 11:54 |
Sunset | | 17:51 | | 22:51 |
Evening civil twilight | | 18:18 | | 23:18 |
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Current date and time |
Zulu (UTC) | 21-Feb-2025 14:11:35 |
Local (UTC-5) | 21-Feb-2025 09:11:35 |
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METAR |
KGAI | 211356Z AUTO 33008G25KT 300V070 10SM CLR M03/M11 A3035 RMK AO2 PK WND 33028/1345 SLP299 T10281111 FZRANO PNO $
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KCGS 16nm SE | 211345Z AUTO 31017G24KT 10SM CLR M02/M12 A3038 RMK AO2 T10181120
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KFDK 18nm NW | 211347Z 31014G25KT 10SM BKN036 M02/M12 A3037
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KFME 19nm E | 211349Z AUTO 30012G17KT 10SM CLR M02/M11 A3038 RMK AO1
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KIAD 19nm SW | 211352Z 31015G26KT 10SM BKN045 M01/M12 A3038 RMK AO2 PK WND 31026/1348 SLP290 T10111122
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KJYO 20nm W | 211355Z AUTO 32014G26KT 10SM OVC040 M01/M09 A3039 RMK AO2
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TAF |
KIAD 19nm SW | 211127Z 2112/2218 30010G20KT P6SM SCT040 WS020/31035KT FM211400 31020G30KT P6SM FEW050 FM212200 32012G24KT P6SM FEW250 FM220100 32008KT P6SM SKC FM221100 VRB03KT P6SM FEW250 FM221600 25007KT P6SM FEW250
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KDCA 20nm S | 211127Z 2112/2218 31012G24KT P6SM FEW250 FM211500 31020G32KT P6SM FEW050 FM212300 32011G22KT P6SM FEW250 FM220200 32008KT P6SM SKC FM221100 VRB03KT P6SM FEW250 FM221400 29003KT P6SM FEW250
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KBWI 22nm E | 211127Z 2112/2218 30010G20KT P6SM FEW050 WS020/31040KT FM211500 31020G32KT P6SM FEW050 FM212300 32010G20KT P6SM FEW250 FM220300 32007KT P6SM SKC FM221100 VRB03KT P6SM FEW250 FM221500 29003KT P6SM FEW250
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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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