Aviation Information LOCATION 3 miles NE of Gaithersburg, MD 7940 Airpark Road 20879 Lat/Long:      39-10-06N      077-09-57W Variation 09W (1985) Field Elevation 539' MSL FAA Identifier Code: GAI AIRPORT OPERATIONS Public use open 24 hours 7 days week Attended 0700 local 2000 local Sectional chart: Washington non-controlled facility Runway Coordinates 320/140 Runway Length: 4201' Runway Surface: Asphalt Runway Width: 75' Taxiway Surface: Asphalt Taxiway Width: 35' NAVAIDS/COMMUNICATIONS AVASI RW 14 REILS RW 32/14 CTAF/UNICOM 123.075 LIGHTS: dusk-dawn PCL 123.075      low intensity 3 clicks      medium intensity 5 clicks      high intensity 7 clicks INSTRUMENT APPROACHES RW 14      WAAS/GPS/RNAV MDA 262 agl      VOR 155 degree from FDK 109.0 MDA 600 agl      NDB 385mg (on field) MDA ? ROTATING BEACON white green (lighted land airport) AWOS 3 128.275 PHONE # 301-977-2971 CLEARENCE DELIVERY (Potomac Tracon) 121.6 PHONE 1-866-429-5882 PATTERN ALTITUDE      1539'MSL (1000'AGL) most aircraft      2039'MSL (1500'AGL) jet/turbine      1339'MSL (800'AGL) helicopters WIND INDICATOR SEGMENTED CIRCLE REMARKS Special Flight Rules Area (SFRA) procedures in effect at all times (NEVER SQUAWK 1200 AT ANY TIME) Deer, birds and other wildlife could be on or in the vicinity of the airport Runway 32 is right hand pattern Cross Davis Airport at 2000' or greater Noise Abatement Program in effect RW 32/14 has 1 degree up/down slope Preferred calm wind runway 14 South ramp not recommended for aircraft with wing span of 79 feet or weight greater than 40,000 lbs. North ramp not recommended for aircraft with weight greater than 12,500 lbs. Helicopters refrain from air taxiing over parking ramp areas NDB not monitored