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MONTGOMERY COUNTY AIRPARK - Airport Diagram
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KGAI
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
Operational
39° 10' 06"N 77° 09' 58"W
539' MSL
1539' MSL
11W
JET A, 100LL
LEESBURG (DCA)
WASHINGTON
WASHINGTON (ZDC)
1/22/26-2/19/26
KGAI VFR
4:56 AM EST  
Clear
10sm
11°F
2°F
29.92"Hg
320° 8kts
Gusts 14kts
AO2 SLP156 T11171167 FZRANO
METAR KGAI 010956Z AUTO 32008G14KT 10SM CLR M12/M17 A2992 RMK AO2 SLP156 T11171167 FZRANO
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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 1/21
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 5.95
Full Serve 6.50 5.82
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, 2/1 3:58 AM EST
Sun, 2/1 4:00 AM EST - Mon, 2/2 7:00 AM EST
VFR
4:00 AM EST - 12:00 PM EST
Broken 15,000'
6sm
330° 13kts
Gusts 20kts
VFR
12:00 PM EST - 7:00 PM EST
Scattered 22,000'
6sm
320° 18kts
Gusts 30kts
VFR
7:00 PM EST - 11:00 PM EST
Sky Clear
6sm
310° 16kts
Gusts 26kts
VFR
11:00 PM EST - 6:00 AM EST
Sky Clear
6sm
320° 14kts
Gusts 23kts
VFR
6:00 AM EST - 7:00 AM EST
Sky Clear
6sm
310° 11kts
TAF KIAD 010858Z 0109/0212 33013G20KT P6SM BKN150
   FM011700 32018G30KT P6SM SCT220
   FM020000 31016G26KT P6SM SKC
   FM020400 32014G23KT P6SM SKC
   FM021100 31011KT P6SM SKC
KGAI
EffectiveExpiresCategoryNOTAM
Domestic
1/30/26
2133Z
2/2/26
1300Z
!DCA 01/760 GAI TWY A FICON PATCHY ICE OBS AT 2601302133. COND NOT MNT 2601302200-2602021300. 2601302133-2602021300
1/30/26
2132Z
2/2/26
1300Z
Runway!DCA 01/759 GAI RWY 14 FICON 10 PCT ICE OBS AT 2601302132. COND NOT MNT 2601302200-2602021300. 2601302132-2602021300
1/30/26
2130Z
2/4/26
1300Z
!DCA 01/758 GAI APRON OVERFLOW APN, NORTH END APRON CLSD
2601302130-2602041300
1/28/26
0719Z
2/4/26
2355Z
!DCA 01/634 GAI COM CLR DELIVERY 121.6 U/S USE 866-429-5882 2601280719-2602042355
1/25/26
0300Z
6/1/26
1200Z
Runway!DCA 01/409 GAI RWY 14 RWY END ID LGT U/S 2601250300-2606011200
12/21/25
0311Z
2/4/26
0311Z
!DCA 12/484 GAI OBST TOWER LGT (ASR 1059004) 390807.00N0771808.00W (6.6NM WSW GAI) 802.5FT (403.5FT AGL) U/S 2512210311-2602040311
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.