MONTGOMERY COUNTY AIRPARK
Latitude: 39-10-6 N
Longitude: 77-9-57.6 W
Elevation: 539 ft.
Variation: 9 W 1985
From city: 3 miles NE of GAITHERSBURG, MD
ARTCC: ZDC
Section chart: WASHINGTON
Time Zone: UTC-5(-4DT)
GAI (KGAI)
GAITHERSBURG, MD
UNITED STATES

Data is effective:
04/03/2014 - 05/29/2014
Airport Operations
Airport Status: Operational
Facility use: Open to the public
Control Tower: No air traffic control tower at airport
FSS: LEESBURG FSS (DCA)
Toll Free: 1-800-WX-BRIEF
NOTAMs Facility: DCA (RONALD REAGAN WASHINGTON NATIONAL)
Attendance: 0700-1900
Wind Indicator: No
Segmented Circle: Yes
Lights: SEE RMK
ACTVT MIRL RY 14/32 & REIL RY 14/32 - CTAF
Beacon: Clear and Green
SS-SR
Landing Fee: No
Fuel: 100LL, A
Int'l Operations: Not a Landing Rights Airport
Not an Airport of Entry
Airport Contacts
OWNER:
MONTGOMERY COUNTY REV AUTH
101 MONROE ST 4TH FLOOR
SUITE 410
ROCKVILLE, MD 20850
UNITED STATES
Phone: 301-762-9080
MANAGER:
KEITH MILLER
101 MONROE STREET
SUITE 410
ROCKVILLE, MD 20850
UNITED STATES
Phone: 301-762-9080
General Remarks
•  NOISE ABATEMENT DEP RY 32; TURN RIGHT TO AT LEAST 340 DEGS; JETS REFRAIN FROM RY 32 TAKEOFF BTWN 2300-0700.
•  DEER & BIRDS ON & INVOF ARPT.
•  HELICOPTERS REFRAIN FM AIR TAXI OVER PAVED PARKING RAMPS.
•  30 FT DOWNSLOPE 75 FT L/R OF CNTRLN AT THLD TO 150 FT BOTH SIDES.
•  ARPT NOT RECOMMENDED FOR ACFT WITH WING SPAN IN EXCESS OF 79 FT & GROSS WT IN EXCESS OF 48,000 POUNDS.
•  SOUTH RAMP NOT RECOMMENDED FOR AIRCRAFT W/ WINGSPAN GREATER THAN 79 FT OR WEIGHT GREATER THAN 40,000 LBS.
•  BE ALERT SFRA PROCEDURES IN EFFECT.
•  PREFERRED CALM WIND RY 14.
Airport Communications
UNICOM: 123.075 MHz  
ATIS: None  
RADAR SERVICE: Approach / Departure  
POTOMAC APPROACH/DEPARTURE: 128.7 MHz APCH/P DEP/P  
  291.625 MHz APCH/P DEP/P  
POTOMAC CLERANCE DELIVERY: 121.6 MHz CD/P  
Radio AIDS To Navigation
NAVAIDS:
Type ID Name Frequency Hours Distance Bearing Remarks
NDB GAI GAITHERSBURG 385 KHz 24 Hours 0.1 nm 182.4°
•  SHUTDOWN
•  NDB UNUSBL 040-130 BYD 20 NM.
NDB GTN GEORGETOWN 323 KHz 24 Hours 14.4 nm 352.3°
•  OPERATIONAL IFR
•  UNMON.
VOR FDK FREDERICK 109 MHz 24 Hours 17.6 nm 146.4°
•  OPERATIONAL IFR
VOR/DME DCA WASHINGTON 111 MHz 24 Hours 19.5 nm 342.0°
•  OPERATIONAL RESTRICTED
•  VOR PORTION UNUSBL 026-070 BYD 20 NM BLO 5000 FT; 071-075 BYD 20 NM BLO 5500 FT; 076-105 BYD 20 NM BLO 5000 FT; 106-111 BYD 10 NM BLO 2500 FT; 106-125 BYD 20 NM BLO 8000 FT; 126-145 BYD 20 NM BLO 5500 FT; 146-155 BYD 20 NM BLO 6000 FT; 156-170 BYD 20 NM BLO 5500 FT.
•  VOR PORTION UNUSBL 171-177 BYD 20 NM BLO 5000 FT; 178-260 BYD 20 NM BLO 4500 FT; 261-275 BYD 20 NM BLO 6000 FT; 276-283 BYD 20 NM BLO 7000 FT; 284-300 BYD 20 NM BLO 6000 FT; 301-025 BYD 20 NM BLO 4500 FT.
•  DME PORTION UNUSBL 090-165 BYD 30 NM BLO 3000 FT; 250-270 BYD 20 NM BLO 2500 FT; 340-040 BYD 30 NM BLO 2500 FT.
VORTAC EMI WESTMINSTER 117.9 MHz 24 Hours 21.4 nm 204.0°
•  OPERATIONAL RESTRICTED
•  VOR PORTION UNUSBL 301-334 BLO 5500 FT; 128-161 BYD 20 NM BLO 6500 FT.
•  TACAN AZIMUTH & DME UNUSBL 281-055 BYD 35 NM BLO 3000 FT.
VOT ADW ANDREWS AFB 109.6 MHz 24 Hours 26.4 nm 329.8°
•  OPERATIONAL IFR
Weather Data Services
ID Type Frequency Phone Distance Remarks
GAI WX AWOS-3 128.275 MHz 301-977-2971 0.0 nm
FDK WX AWOS-3 124.875 MHz 301-600-1457 17.8 nm
JYO WX AWOS-3 125.225 MHz 703-777-3781 19.1 nm
IAD WX ASOS   703-661-2990 19.1 nm
FME WX AWOS-3 123.925 MHz   19.6 nm
Runways
14/32
Dimensions: 4202 ft. x 75 ft.
Surface Type: ASPH
Surface Condition: GOOD
Treatment:  
Runway Edge Lights: Medium Intensity
Weight Limitations  
   PCN:  
   Single Wheel:  
   Double Wheel:  
   Double Tandem:  
   Dual Double Tandem:  
  Runway 14 Runway 32
True Alignment: 127° 307°
Traffic Pattern: Left Right
Markings: Non-precision instrument Non-precision instrument
Markings Condition: Fair Fair
Latitude: 39-10-18.6369 N 39-9-53.4181 N
Longitude: 77-10-18.8006 W 77-9-36.4145 W
Elevation: 493.3 ft. 538.7 ft.
Threshold Crossing Height: 53 ft. AGL  
Visual Glide Path Angle:  
Visual Slope Indicator: 4-box VASI on left  
Runway End Identifier Lights: Yes Yes
TDZE: 520.4 ft. 538.7 ft.

Heliports
None