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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
4/16/26-5/14/26
KGAI VFR
1:56 AM EDT  
Clear
10sm
58°F
56°F
29.83"Hg
Calm
AO2 SLP111 T01440133 10222 20139 58010
METAR KGAI 240556Z AUTO 00000KT 10SM CLR 14/13 A2983 RMK AO2 SLP111 T01440133 10222 20139 58010
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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 4/20
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 7.17
Full Serve 7.72 7.76
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)
Fri, 4/24 1:37 AM EDT
Fri, 4/24 2:00 AM EDT - Sat, 4/25 8:00 AM EDT
VFR
2:00 AM EDT - 8:00 AM EDT
Scattered 8,000'
6sm
VRB° 3kts
VFR
8:00 AM EDT - 2:00 PM EDT
Scattered 25,000'
Few 8,000'
6sm
320° 4kts
MVFR
2:00 PM EDT - 6:00 PM EDT
Light Thunderstorm and Rain
Overcast 6,000'
4sm
Calm
VFR
2:00 PM EDT - 8:00 PM EDT
Light Showers and Rain
Broken 25,000'
Scattered 6,000'
6sm
320° 9kts
VFR
8:00 PM EDT - 1:00 AM EDT
Overcast 12,000'
Broken 6,000'
6sm
090° 6kts
VFR
1:00 AM EDT - 6:00 AM EDT
Overcast 6,000'
6sm
140° 4kts
MVFR
6:00 AM EDT - 8:00 AM EDT
Overcast 6,000'
Broken 2,000'
6sm
110° 6kts
TAF KIAD 240537Z 2406/2512 VRB03KT P6SM SCT080
   FM241200 32004KT P6SM FEW080 SCT250
   FM241800 32009KT 6SM -SHRA SCT060 BKN250
   PROB30 2418/2422 4SM -TSRA OVC060CB
   FM250000 09006KT P6SM BKN060 OVC120
   FM250500 14004KT P6SM OVC060
   FM251000 11006KT P6SM BKN020 OVC060
KGAI
EffectiveExpiresCategoryNOTAM
Domestic
4/21/26
1111Z
7/6/26
1200Z
Runway!DCA 04/414 GAI RWY 14 RWY END ID LGT U/S 2604211111-2607061200
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.