Skip to content
Vincony — fast, managed web hosting for your next site
The Pilots Desk
Small airport

Montgomery County Airpark

IATA GAIICAO KGAILocal GAI🇺🇸 Gaithersburg
Coordinates
39.1683°N, 77.1660°W
Elevation
539 ft (164 m)
Type
Small airport
Region
US-MD
Time zone
New York(UTC-04:00)
Magnetic variation
10.7° W

Daylight today(Sep 4, 2026, local time)

Civil dawn
06:14
Sunrise
06:41
Sunset
19:37
Civil dusk
20:04

About 12h 56m 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

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

KGAI
Checking for pilot reports…

NOTAMs

KGAI

Reference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.

NOTAM data via the FAA NOTAM system.

Live departures & arrivals

Loading live flights…

Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
14 / 324,202 ft / 1,281 m75 ftAspLightedOpen

Radio frequencies (4)

TypeDescriptionFrequency
A/DPOTOMAC APP/DEP128.700 MHz
AWOSAWOS 3128.275 MHz
CLDPOTOMAC CLNC DEL121.600 MHz
UNICCTAF/UNICOM123.075 MHz

Instrument procedures & charts

Cycle 2609 · effective Sep 3, 2026 – Oct 1, 2026 Not for navigation — confirm currency on the official FAA source.

Showing 10 of 11 FAA procedures on this overview. Always fly the current, official chart. Full charts page.

Airspace in this area(3)

NameClassTypeFloorCeiling
WASHINGTON-TRI AREA CLASS B AREA CClass BControlled2500 ft MSL10000 ft MSL
WASHINGTON-TRI AREA CLASS B AREA DClass BControlled3500 ft MSL10000 ft MSL
WASHINGTON DC SFRA ADIZSpecial useRestrictedGND17999 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

ObstacleHeight AGLTop (MSL)Lit
Obstacle404 ft407 ft
Obstacle404 ft427 ft
Obstacle404 ft394 ft
Obstacle404 ft423 ft
Potomac Electric Power Co. Cell Site371 ft348 ft
Obstacle243 ft348 ft
Obstacle240 ft413 ft
Pinnacle Towers LLC515 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.

Official site Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

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.