Montgomery County Airpark
Daylight today(Jul 20, 2026, local time)
About 14h 33m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Montgomery County Airpark
Montgomery County Airpark is a U.S. public airport located three miles (5 km) northeast of the city of Gaithersburg, in Montgomery County, Maryland, United States.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KGAILive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 14 / 32 | 4,202 ft / 1,281 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| A/D | POTOMAC APP/DEP | 128.700 MHz |
| AWOS | AWOS 3 | 128.275 MHz |
| CLD | POTOMAC CLNC DEL | 121.600 MHz |
| UNIC | CTAF/UNICOM | 123.075 MHz |
Instrument procedures & charts
Instrument approaches (2)
Departure procedures (SIDs) (5)
Arrivals (STARs) (2)
Takeoff & alternate minimums (2)
Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.
Airspace in this area(3)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| WASHINGTON-TRI AREA CLASS B AREA C | Class B | Controlled | 2500 ft MSL | 10000 ft MSL |
| WASHINGTON-TRI AREA CLASS B AREA D | Class B | Controlled | 3500 ft MSL | 10000 ft MSL |
| WASHINGTON DC SFRA ADIZ | Special use | Restricted | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | 404 ft | 407 ft | — |
| Obstacle | 404 ft | 427 ft | — |
| Obstacle | 404 ft | 394 ft | — |
| Obstacle | 404 ft | 423 ft | — |
| Potomac Electric Power Co. Cell Site | 371 ft | 348 ft | — |
| Obstacle | 243 ft | 348 ft | — |
| Obstacle | 240 ft | 413 ft | — |
| Pinnacle Towers LLC | — | 515 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Montgomery County Airpark.
Frequently asked questions
What is the ICAO code for Montgomery County Airpark?
The ICAO code for Montgomery County Airpark is KGAI, and its IATA code is GAI.
Where is Montgomery County Airpark located?
Montgomery County Airpark is small airport located in Gaithersburg, United States, at an elevation of 539 ft (164 m).
How many runways does Montgomery County Airpark have?
Montgomery County Airpark has 1 runway, the longest being 4,202 ft / 1,281 m.
What time zone is Montgomery County Airpark in?
Montgomery County Airpark is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Montgomery County Airpark?
The magnetic variation (declination) at Montgomery County Airpark is approximately 10.7° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Montgomery County Airpark?
The nearest airport to Montgomery County Airpark is Davis Airstrip (W50), about 4.6 nm to the n, followed by Fly Away Farm Airport and Glenair Airport.
Is the information on this page suitable for flight planning?
No. Montgomery County Airpark data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.