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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
6/11/26-7/9/26
KGAI VFR
7:56 PM EDT  
Clear
10sm
72°F
61°F
29.98"Hg
Calm
AO2 SLP163 60000 T02220161 10233 20183 53014
METAR KGAI 232356Z AUTO 00000KT 10SM CLR 22/16 A2998 RMK AO2 SLP163 60000 T02220161 10233 20183 53014
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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 6/22
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 7.27
Full Serve 7.82 7.05
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 7:00 PM local Eastern Time.

The FBO office is open every Sunday through Saturday at 8:00 AM- 7:00 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)
Tue, 6/23 7:24 PM EDT
Tue, 6/23 8:00 PM EDT - Thu, 6/25 2:00 AM EDT
VFR
8:00 PM EDT - 10:00 PM EDT
Scattered 25,000'
Few 4,000'
6sm
020° 8kts
VFR
10:00 PM EDT - 4:00 AM EDT
Few 25,000'
Few 12,000'
6sm
330° 6kts
VFR
4:00 AM EDT - 1:00 PM EDT
Few 25,000'
6sm
320° 5kts
VFR
1:00 PM EDT - 9:00 PM EDT
Sky Clear
6sm
330° 3kts
VFR
9:00 PM EDT - 2:00 AM EDT
Few 25,000'
6sm
190° 2kts
TAF KIAD 232324Z 2400/2506 02008KT P6SM FEW040 SCT250
   FM240200 33006KT P6SM FEW120 FEW250
   FM240800 32005KT P6SM FEW250
   FM241700 33003KT P6SM SKC
   FM250100 19002KT P6SM FEW250
KGAI
EffectiveExpiresCategoryNOTAM
Domestic
6/24/26
1300Z
6/24/26
1600Z
!DCA 06/631 GAI SVC AUTOMATED WX BCST SYSTEM U/S 2606241300-2606241600
6/1/26
1407Z
6/30/26
2359Z
!DCA 06/023 GAI OBST TOWER LGT (ASR 1271591) 390831.10N0771627.60W (5.3NM WSW GAI) 562.7FT (242.8FT AGL) U/S 2606011407-2606302359
5/24/26
0040Z
8/21/26
0400Z
!DCA 05/478 GAI OBST TOWER LGT (ASR 1026037) 390753.30N0771026.50W (2.3NM S GAI) 723.1FT (210.0FT AGL) U/S 2605240040-2608210400
4/21/26
1111Z
7/6/26
1200Z
Runway!DCA 04/414 GAI RWY 14 RWY END ID LGT U/S 2604211111-2607061200
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
6/24/26
1300Z
7/1/26
1227Z
!FDC 6/9969 GAI IAP MONTGOMERY COUNTY AIRPARK, GAITHERSBURG, MD.
RNAV (GPS)-A, ORIG-D...
WHEN LOCAL ALTIMETER SETTING NOT RECEIVED, USE WASHINGTON DULLES ALTIMETER SETTING AND INCREASE ALL MDAS 80 FEET AND VISIBILITY CAT C 1/4 SM. GAI AWOS OUT OF SERVICE.
2606241300-2607011227EST
6/24/26
1300Z
7/1/26
1227Z
!FDC 6/9968 GAI IAP MONTGOMERY COUNTY AIRPARK, GAITHERSBURG, MD.
RNAV (GPS) RWY 14, AMDT 3C...
WHEN LOCAL ALTIMETER NOT RECEIVED, USE WASHINGTON DULLES INTL ALTIMETER SETTING AND INCREASE ALL DA/MDAS 80 FEET AND ALL VISIBILITIES 1/4 MILE. BARO-VNAV NA WHEN USING WASHINGTON DULLES INTL ALTIMETER SETTING. GAI AWOS OUT OF SERVICE.
2606241300-2607011227EST
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.