Montgomery County Airpark (KGAI), Maryland
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Montgomery County Airpark (KGAI) is a single-runway public-use field in Gaithersburg, Maryland, roughly 16 nautical miles from downtown Washington, DC, and positioned inside the Washington DC SFRA. The airport sees moderate business aviation activity, most of it piston and light turbine traffic operating without a control tower. Its single asphalt runway, wingspan and weight guidance, and close-in obstacles on both ends shape how larger aircraft plan arrivals and departures here.
Runways
Montgomery County Airpark has one paved runway, 14/32, 4,202 ft long and 75 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Montgomery County Airpark has Jet A and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Montgomery County Airpark does not clear customs. The nearest port of entry is Leesburg Executive (KJYO), 19 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Montgomery County Airpark recorded 4,316 business aviation movements in 2025. Traffic peaks in July and November. Business aviation activity at KGAI is concentrated in the warmer months, with November and July also showing high monthly totals compared to the winter low in February.
Business jet movements, FAA TFMSC count. Peak month November, 451 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Weather station is 3.5 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Montgomery County Airpark has published operating constraints in six categories: access, weight restrictions, runway notes, noise procedures, environmental and other notes.
Runway end identifier lights for Runway 14 and Runway 32 are pilot-activated. Medium intensity runway lights for Runway 14/32 are also pilot-activated on CTAF. The precision approach path indicators for Runway 14 and Runway 32 operate continuously.
For clearance delivery, contact Potomac Approach.
The precision approach path indicator for Runway 32 is baffled beyond 5 degrees left of course due to a building.
The airport is not recommended for aircraft with a wingspan exceeding 79 feet or a gross weight exceeding 48,000 pounds.
The south ramp is not recommended for aircraft with a wingspan greater than 79 feet or a weight greater than 40,000 pounds.
Runway 14 has trees 47 feet tall located 169 feet right of centerline, 195 feet from the threshold.
Runway 32 has a ridge rising 15 feet above runway level, running parallel to the runway 155 feet to the left. A fence 6 feet tall runs parallel to the runway 180 feet to the right.
Runway 14 has a 30-foot downslope extending 75 feet on either side of centerline at the threshold, continuing to 150 feet on both sides.
Runway 14 is the preferred runway during calm wind conditions.
Noise abatement procedure for departures on Runway 32: turn right to a heading of at least 340 degrees. Jets should refrain from Runway 32 takeoffs between 2300 and 0700.
Deer and birds are present on and in the vicinity of the airport.
A fuel truck is available from 0800 to 2000 and can be requested on frequency 122.85. Self-serve 100LL is also available and can be purchased with a credit card.
Helicopters should refrain from air taxiing over paved parking ramps.
Pilots should be alert to Special Flight Rules Area procedures in effect.
Source: FAA Chart Supplement.
Nearby airfields
Montgomery County Airpark has five airfields within 20 NM. The closest is College Park (KCGS), 16.01 NM southeast.
Part of the Washington, D.C. area.
Source: Skystar calculation from official coordinates.
Skystar at KGAI
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$1,200.00 catering order at KGAI.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What is the runway length at KGAI?
Montgomery County Airpark (KGAI) has a single paved runway, 14/32, measuring 4,202 feet long and 75 feet wide with an asphalt surface. This is the only runway serving the airport, so all arrivals and departures use this strip regardless of wind conditions, though calm-wind operations prefer Runway 14.
Are there aircraft size restrictions at Montgomery County Airpark?
Montgomery County Airpark is not recommended for aircraft with a wingspan greater than 79 feet or a gross weight over 48,000 pounds. The south ramp carries a tighter limit, with a recommended maximum of 79 feet wingspan or 40,000 pounds weight for aircraft parking there. Operators of larger business jets should account for these limits when planning a visit.
Is jet fuel available at KGAI?
Montgomery County Airpark stocks both 100LL and Jet A fuel. A fuel truck is available between 0800 and 2000, requested on frequency 122.85, while self-serve 100LL can be purchased with a credit card outside those hours. Airport attendance itself follows a seasonal schedule, running later into the evening from June through September than in the winter months.</p>
Does KGAI have customs clearance on site?
Montgomery County Airpark does not have customs service on site. The nearest customs facility is Leesburg Executive Airport (KJYO), located about 19 nautical miles away. Aircraft arriving from abroad needing to clear customs should plan to route through that airport instead of KGAI.