Airports / Maryland / GAI
Montgomery County Airpark
KGAI / GAIGaithersburg, MarylandELEV 539 FT
Google rating
Google reviews
Based operators
Field elevation
Nearest alternate
Field standing
19 nm
To the nearest alternate
Washington Dulles International Airport (IAD) — 6 fields within 50 nm.
Overview
Located in Gaithersburg, Maryland, Montgomery County Airpark (KGAI / GAI) operates as a general aviation field. The airport sits 539 feet above sea level. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
The airport anchors local charter capacity — OpenAir is based here. When weather or ramp space demands it, nearby options are Washington Dulles International Airport (IAD, 19 nm), Fort Meade Executive Airport (FME, 20 nm), and Ronald Reagan Washington National Airport (DCA, 20 nm).
Planning a trip? The Washington DC, VA destination guide covers routes, aircraft options, and what to expect on the ground. Compare rated operators or run a route through the cost estimator to gauge pricing from Gaithersburg.
Field capability
ICAO
KGAI
IATA
GAI
FAA / Local
GAI
Elevation
539 ft
Coordinates
39.1683° N · 77.1660° W
Airspace
G · GolfClass G — GolfUncontrolled field — no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs MD fields
state range 11–2,933 ft
At 539 ft, GAI sits higher than 82% of the 17 Maryland fields on the register.
Based charter operators1
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 19nmIADWashington Dulles International AirportDulles
- 20nmFMEFort Meade Executive AirportFort Meade(Odenton)
- 20nmDCARonald Reagan Washington National AirportWashington
- 23nmBWIBaltimore/Washington International Thurgood Marshall AirportBaltimore
- 26nmADWJoint Base AndrewsCamp Springs
- 27nmDAADavison Army Air FieldFort Belvoir
Destinations served
Location
Open the full mapKGAI · Montgomery County Airpark · Gaithersburg, MD
From the ramp
Google Places photography of Montgomery County Airpark — tap any frame to view full-screen, then cycle with the arrows or your keyboard.