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MONTGOMERY COUNTY AIRPARK - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

KGAI
ICAO KGAIIATA GAILocal GAI
MONTGOMERY COUNTY AIRPARK
PublicPUB

3 miles NE of GAITHERSBURG, MD, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
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 LIFR
10:56 PM EST  
Light Rain
Overcast 300'
5sm
40°F
32°F
30.24"Hg
210° 4kts
AO2 SLP258 P0000 T0044 400441011
METAR KGAI 040356Z AUTO 21004KT 5SM -RA OVC003 04/ A3024 RMK AO2 SLP258 P0000 T0044 400441011
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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, 3/3 9:57 PM EST
Tue, 3/3 10:00 PM EST - Thu, 3/5 1:00 AM EST
LIFR
10:00 PM EST - 1:00 AM EST
Mist
Overcast 300'
3sm
180° 7kts
IFR
1:00 AM EST - 7:00 AM EST
Light Rain and Mist
Broken 500'
5sm
Calm
MVFR
1:00 AM EST - 7:00 AM EST
Mist
Overcast 1,200'
Scattered 500'
6sm
200° 6kts
MVFR
7:00 AM EST - 4:00 PM EST
Overcast 2,500'
6sm
050° 3kts
MVFR
10:00 AM EST - 4:00 PM EST
Light Showers and Rain and Mist
Overcast 1,000'
5sm
Calm
MVFR
4:00 PM EST - 10:00 PM EST
Light Showers and Rain and Mist
Overcast 1,000'
Scattered 500'
5sm
090° 3kts
IFR
10:00 PM EST - 1:00 AM EST
Light Showers and Rain and Mist
Overcast 500'
3sm
120° 2kts
TAF KIAD 040257Z 0403/0506 18007KT 3SM BR OVC003
   FM040600 20006KT 6SM BR SCT005 OVC012
   PROB30 0406/0412 5SM -RA BR BKN005
   FM041200 05003KT P6SM OVC025
   PROB30 0415/0421 5SM -SHRA BR OVC010
   FM042100 09003KT 5SM -SHRA BR SCT005 OVC010
   FM050300 12002KT 3SM -SHRA BR OVC005
KGAI
EffectiveExpiresCategoryNOTAM
Domestic
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.