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MONTGOMERY COUNTY AIRPARK - Airport Diagram
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KGAI
ICAO KGAIIATA GAILocal GAI
MONTGOMERY COUNTY AIRPARK
PublicPUB

3 miles NE of GAITHERSBURG, MD, US
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Status
Operational
Coordinates
39° 10' 06"N 77° 09' 58"W
Elevation
539' MSL
Pattern Alt
1539' MSL
Mag Variation
11°W
Declination
9°W
Fuel
JET A, 100LL
FSS
LEESBURG (DCA)
Sectional
WASHINGTON
ARTCC
WASHINGTON (ZDC)
Data Effective
2/19/26-3/19/26
KGAI IFR
1:52 PM EST  
Light Rain
Overcast 700'
10sm
37°F
32°F
29.85"Hg
VRB° 3kts
AO2 CIG 005V010 P0001
SPECI KGAI 221852Z AUTO VRB03KT 10SM -RA OVC007 03/ A2985 RMK AO2 CIG 005V010 P0001
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KGAI FBOs

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DC Metro Aviation Services
UNICOM: 123.075
Phone: (301) 963-8043
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Phillips 66
As of 2/17
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 6.10
Full Serve 6.65 5.89
Fuel Notes
Prices include tax
Add $.07 for Jet A with Prist
Fuel Hours
Self-serve of 100LL is available 24 hours a day and is located on the opposite end of the main ramp.

Full-serve fuel is available every Sunday through Saturday from 7:00 AM to 6:00 PM local Eastern Time.

The FBO office is open every Sunday through Saturday at 8:00 AM- 6:00 PM
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Weather and Advisory

AWOS-3PT 128.275
(301) 977-2971

Common

CTAF 123.075
ACTVT REIL RWY 14 & 32; MIRL RWY 14/32 - CTAF. PAPI RWY 14 & 32 OPR CONSLY.
UNICOM 123.075

Clearance

Clearance Delivery 121.6

Arrival

TRSTN STAR 126.75

Approach

POTOMAC APPROACH 128.7

Departure

POTOMAC DEPARTURE 128.7
TERPZ DP 128.7

Terminal Area Forecast

KIAD (19nm)
Sun, 2/22 1:27 PM EST
Sun, 2/22 1:00 PM EST - Mon, 2/23 7:00 PM EST
IFR
1:00 PM EST - 4:00 PM EST
Light Rain and Mist
Overcast 1,500'
Broken 800'
6sm
360° 9kts
IFR
4:00 PM EST - 9:00 PM EST
Rain and Snow and Mist
Overcast 700'
1sm
360° 9kts
LIFR
9:00 PM EST - 1:00 AM EST
Snow
Overcast 300'
0.5sm
340° 13kts
Gusts 23kts
IFR
1:00 AM EST - 8:00 AM EST
Light Snow
Overcast 1,500'
1sm
330° 19kts
Gusts 26kts
MVFR
8:00 AM EST - 12:00 PM EST
Light Snow
Overcast 4,500'
Broken 2,000'
3sm
320° 21kts
Gusts 28kts
VFR
12:00 PM EST - 7:00 PM EST
Overcast 5,000'
6sm
310° 19kts
Gusts 30kts
TAF KIAD 221827Z 2218/2324 36009KT 6SM -RA BR BKN008 OVC015
   FM222100 36009KT 1SM RASN BR OVC007
   FM230200 34013G23KT 1/2SM SN OVC003
   FM230600 33019G26KT 1SM -SN OVC015
   FM231300 32021G28KT 3SM -SN BKN020 OVC045
   FM231700 31019G30KT P6SM OVC050
KGAI
EffectiveExpiresCategoryNOTAM
Domestic
2/25/26
0030Z
2/25/26
0459Z
!DCA 02/448 GAI AIRSPACE SEE FDC 6/5649 ZDC 91.141 VIP 2602250030-2602250459
2/22/26
0300Z
2/22/26
1030Z
!DCA 02/540 GAI COM CLR DELIVERY 121.6 U/S USE 866-429-5882 2602220300-2602221030
2/2/26
1512Z
3/19/26
1511Z
!DCA 02/047 GAI OBST TOWER LGT (ASR 1059004) 390807.00N0771808.00W (6.6NM WSW GAI) 802.5FT (403.5FT AGL) U/S 2602021512-2603191511
1/25/26
0300Z
6/1/26
1200Z
Runway!DCA 01/409 GAI RWY 14 RWY END ID LGT U/S 2601250300-2606011200
11/13/25
1437Z
5/13/26
2359Z
!DCA 11/273 GAI OBST TOWER LGT (ASR UNKNOWN) 391128N0770616W (3.3NM NE GAI) UNKNOWN (222FT AGL) U/S 2511131437-2605132359
9/4/25
1620Z
!DCA 09/111 GAI AIRSPACE SEE FDC 5/7224 ZDC SECURITY INSTRUCTIONS 2509041620-PERM
9/4/24
1830Z
!DCA 09/108 GAI AIRSPACE SEE FDC 4/2565 ZDC SECURITY INSTRUCTIONS 2409041830-PERM
FDC
8/9/24
1631Z
!FDC 4/5967 GAI SID MONTGOMERY COUNTY AIRPARK, GAITHERSBURG, MD.
TERPZ EIGHT DEPARTURE (RNAV)...
DO NOT FILE CLTCH TRANSITION, ATC ASSIGNED ONLY.
2408091631-2608091631EST
No
MARCH-MAY 0800-1900
JUNE-SEPTEMBER 0800-2000
OCTOBER-FEBRUARY 0800-1800
UNATNDD CHRISTMAS DAY. FOR AFT HRS SVC CALL 301-963-8043.
MONTGOMERY COUNTY REV AUTH
101 MONROE ST 4TH FLOOR SUITE 410
ROCKVILLE, MD 20850
Phone: 301-762-9080
JUSTIN BOLLUM, C.M.
7940 AIRPARK ROAD SUITE 410
GAITHERSBURG, MD 20879
Phone: 301-978-7009
LEESBURG FSS (DCA)
Toll Free: 1-800-WX-BRIEF
DCA
--
ACTVT REIL RWY 14 & 32; MIRL RWY 14/32 - CTAF. PAPI RWY 14 & 32 OPR CONSLY.
N/A
No
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Minor
Major
Low Pressure
None
Air Freight
Avionics
Charter Service
Pilot Instruction
Aircraft Rental
Aircraft Sales

Runway 14/32

4202 ft. x 75 ft.
ASPH  
Good 
NONE 
MED 
 
-- 
-- 
-- 
-- 
  Runway 14 Runway 32
True Heading 127°307°
Traffic Pattern Left Right
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 39° 10' 19"N 39° 09' 53"N
Longitude 77° 10' 19"W 77° 09' 36"W
Elevation 493' 539'
Threshold Crossing Height 40 ft. AGL 45 ft. AGL
Visual Glide Path Angle 3° 3.25°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights
Runway End Identifier Lights Yes Yes
A110*GTHIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
A110-1NOISE ABATEMENT DEP RWY 32; TURN RIGHT TO AT LEAST 340 DEGS; JETS REFRAIN FROM RWY 32 TAKEOFF BTWN 2300-0700.
A110-11FOR CD CTC POTOMAC APCH AT 866-429-5882.
A110-12RWY 32 PAPI BAFFLED BYD 5 DEG L OF CRS DUE TO BLDG.
A110-2DEER & BIRDS ON & INVOF ARPT.
A110-4HELICOPTERS REFRAIN FM AIR TAXI OVER PAVED PARKING RAMPS.
A110-5RWY 14 HAS 30 FT DOWNSLOPE 75 FT L/R OF CNTRLN AT THR TO 150 FT BOTH SIDES.
A110-6ARPT NOT RECOMMENDED FOR ACFT WITH WINGSPAN IN EXCESS OF 79 FT & GROSS WT IN EXCESS OF 48000 POUNDS.
A110-7SOUTH RAMP NOT RECOMMENDED FOR AIRCRAFT WITH WINGSPAN GREATER THAN 79 FT OR WEIGHT GREATER THAN 40000 LBS.
A110-8BE ALERT SFRA PROCEDURES IN EFFECT.
A110-9PREFERRED CALM WIND RWY 14.
A16EXT. 1011
A17-M2UNATNDD CHRISTMAS DAY. FOR AFT HRS SVC CALL 301-963-8043.
A58-14RWY 14, 47 FT TREES, 169 FT R, 195 FT FM THR.
A58-32RWY 32 HAS +15 FT RIDGE PARALLEL TO RWY 155 FT L; +6FT FENCE PARALLEL TO RWY 180 FT R.
A70-100LLFUEL TRUCK AVBL 0800-2000; REQUEST ON 122.85. SELF-SERVE 100LL AVAILABLE WITH CREDIT CARD.
A81-APTACTVT REIL RWY 14 & 32; MIRL RWY 14/32 - CTAF. PAPI RWY 14 & 32 OPR CONSLY.
E1471000 FT AGL (1539 FT MSL) TURBINE AND JET 1500 FT AGL (2039 FT MSL) HELICOPTERS 800 FT AGL (1339 FT MSL).
MONTGOMERY COUNTY AIRPARK (ICAO: KGAI, IATA: GAI) is a public airport located in GAITHERSBURG, MD, US.