Montgomery County Airpark
GAI · KGAI · Gaithersburg, Maryland · Montgomery County · map
Montgomery County Airpark is a public-use airport owned by Montgomery County Rev Auth, 3 miles northeast of Gaithersburg, Maryland, 539 feet above sea level. Its one runway, 14/32, is 4,202 feet of asphalt. It has fuel (100LL avgas, Jet A) and about 156 based aircraft. The FAA counts about 67,195 takeoffs and landings a year. About 370 passengers boarded flights here in the FAA's fiscal year 2024.
Weather right now KGAI · observed 11:56 am EDT (15:56 UTC), 28 minutes ago
IFR instrument conditions
- Wind variable at 6 knots
- Visibility 3 miles
- Sky: overcast at 700 feet
- Weather: light rain, mist
- Temperature 60°F (16°C), dew point 60°F (16°C)
- Altimeter 30.06 inHg
No terminal forecast is issued for this station. The nearest forecast is usually at the closest larger airport.
The codes as issued (METAR and TAF)
METAR KGAI 111556Z AUTO VRB06KT 3SM -RA BR OVC007 16/16 A3006 RMK AO2 SLP193 P0019 T01560156
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
Flight planning warnings, pilot reports, winds aloft, restrictions · for planning, not a briefing
3 warnings in force over this field:
- SIGMET E83E: thunderstorms (a convective SIGMET) up to 36,000 ft, moving from the southwest at 20 knots, until 1:55 pm EDT (17:55 UTC).
- AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to cig blw 010 vis blw 3sm pcpn br fg).
- AIRMET TANGO 2W: low-level wind shear (due to air speed loss or gain of 20kts or more below 2000 ft agl).
12 pilot reports within 100 nautical miles in the last three hours, the nearest three:
- urgent E55P at 600 ft, 36 nm east, 9:29 am EDT (13:29 UTC): overcast above 600 ft.
- urgent BE55 at 900 ft, 56 nm southeast, 11:54 am EDT (15:54 UTC): light turbulence, a broken layer above 900 ft.
- B38M at 18,000 ft, 3 nm north, 10:01 am EDT (14:01 UTC): moderate turbulence.
Winds aloft at the nearest forecast point (RIC, 100 nm south), for use 14:00–21:00 UTC: 3,000 ft: 180° at 18 kt; 6,000 ft: 200° at 19 kt, 15 °C; 9,000 ft: 220° at 22 kt, 11 °C; 12,000 ft: 230° at 31 kt, 6 °C; 18,000 ft: 230° at 42 kt, -7 °C.
3 temporary flight restrictions within 50 nautical miles:
- 4/9383 WASHINGTON, DC., USA 4 nm southeast · security
- 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 5 nm southwest · a VIP movement
- 6/8800 Baltimore, MD, Saturday, October 17, 2026 through Sunday, October 18, 2026 UTC 25 nm east · drones kept away from a public gathering
The full picture: all warnings and reports, winds to 39,000 ft, radar and forecast charts
From the government's aviation weather service and the FAA's restriction list, refreshed every few minutes. This is for planning; the legal briefing comes from Flight Service or the FAA's own tools. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.
Activity now checking the volunteer receiver network…
Within ten miles
- Looking…
Arrivals and departures, last hour
- Looking…
From the volunteer receiver network, a few minutes behind at most; aircraft whose owners asked the FAA not to be displayed are left out; no person is named. Open the live map here.
The airport
- Codes
- FAA GAI · ICAO KGAI
- Kind
- Airport · open to the public · publicly owned
- Owner
- Montgomery County Rev Auth
- Elevation
- 539 feet above sea level
- Control tower
- No control tower
- Attended
- MARCH to May, every day, 8:00 am to 7:00 pm; JUNE to SEPTEMBER, every day, 8:00 am to 8:00 pm; OCTOBER to FEBRUARY, every day, 8:00 am to 6:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel and services
- 100LL avgas, Jet A; the services card below
- On the chart
- Washington sectional
- Magnetic variation
- 9W
- In the FAA's files since
- August 1960
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 14/32 | 4,202 × 75 ft | Asphalt, good | Medium-intensity lights |
- Runway 14: PAPI, four lights on the left
- Runway 32: PAPI, four lights on the left, right-hand traffic pattern, trees 27 ft high 952 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 123.075 | |
| Clearance delivery | 121.6 | |
| Approach and departure · Departure procedure (TERPZ) | 128.7 | |
| Trstn and star | 126.75 | |
| Gai and aWOS-3PT | 128.275 |
Automated weather (AWOS-3PT), by phone 301-977-2971.
Based aircraft as counted for the FAA, fiscal year 2024
Based aircraft, as a table
| aircraft | |
|---|---|
| single-engine | 128 |
| multi-engine | 15 |
| jets | 11 |
| helicopters | 2 |
Takeoffs and landings a year about 67,195, the FAA's fiscal year 2024 (October 2023 to September 2024)
Takeoffs and landings, as a table
| a year | |
|---|---|
| air taxi and commuter | 1,046 |
| general aviation, travelling | 16,526 |
| general aviation, local | 49,578 |
| military | 45 |
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates. How this compares nationally: Airports by the numbers.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Gaithersburg from the FAA register
66 aircraft are registered to owners in Gaithersburg, Maryland: 60 piston singles, 3 piston twins, 2 drones, 1 business jet. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Maryland.
Fuel and services as reported to the FAA
- Fuel
- 100LL avgas, Jet A
- Repairs
- airframe: minor repairs; engine: major repairs
- Parking
- hangars, tie-downs
- Oxygen
- bottled oxygen (low-pressure)
- Also here
- air freight, avionics, charter flights, flight instruction, aircraft rental, aircraft sales
Other fields with jet fuel nearby: College Park Airport (16 nm southeast), Frederick Municipal (18 nm northwest), South Capitol Street Heliport (19 nm south).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in Maryland · avgas.
Who works here from the FAA's certificate lists and the register
Flight schools, flying clubs and college flight programmes in Gaithersburg, by their names on the register:
- Wifa (Washington International Flight Academy) LLC 13 aircraft
- Congressional Flying Club INC 3 aircraft Congressional Flying Club is a non-profit flying club based at Montgomery County Airpark in Gaithersburg, Maryland, serving pilots in Maryland, Washington DC, and Northern Virginia.
- Congressional Flying Club 1 aircraft Congressional Flying Club is a non-profit flying club based at Montgomery County Airpark (KGAI) in Gaithersburg, Maryland, serving pilots in Maryland, Washington DC, and Northern Virginia.
- High Flyers Aviation Services LLC 1 aircraft
- Inn Flying Club INC 1 aircraft The Inn Flying Club is a non-profit flying club based at Montgomery County Airpark (KGAI) in Gaithersburg, Maryland.
Repair stations in Gaithersburg:
Companies in the same town as this airport; not every one of them works from this field. All operators · all repair stations · all flight schools · all FBOs.
Examiners and inspectors nearby designated by the FAA · within 50 nautical miles
13 pilot examiners (the FAA's designated pilot examiners, who give the practical tests for pilot certificates) are based within 50 nautical miles: 13 for private pilot, 12 for commercial and instrument, 7 for airline transport pilot, 9 for flight instructor, 5 for sport pilot, 4 for type ratings; 11 for airplanes, 9 for multi-engine airplanes, 4 for helicopters, 1 for gliders. Also nearby: 1 sport aviation examiner, 46 aviation medical examiners, 4 mechanic examiners, 3 airworthiness representatives (maintenance), 4 airworthiness representatives (manufacturing), 5 engineering representatives, 3 training center examiners, 10 administrative pilot examiners.
- Charles Epstein private pilot, commercial and instrument, flight instructor, instructor renewals, foreign pilot certificates; airplanes, multi-engine airplanes · Gaithersburg, MD (0 nm) · (410) 804-2402 · chuckepstein1@yahoo.com
- Harry William Kraemer private pilot, commercial and instrument, flight instructor, instrument instructor, sport pilot, instructor renewals, military competency, ground instructor, foreign pilot certificates; airplanes · Montgomery County Airpark · Gaithersburg, MD (0 nm) · (301) 520-2109 · harry@flymall.org
- Sharif Hidayat private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor; airplanes, multi-engine airplanes · Montgomery County Airpark · Gaithersburg, MD (0 nm) · (240) 876-1825 · hidayat.sharif@yahoo.com
- Jeffrey Richard Riemer private pilot, commercial and instrument; airplanes, multi-engine airplanes · Arlington, VA (18 nm) · (703) 859-2807 · jriemer@riemerandassociates.com
- Melissa Torres private pilot, commercial and instrument; airplanes, multi-engine airplanes · Frederick Flight Center · Frederick, MD (18 nm) · (301) 787-7441 · melissator3@yahoo.com
- Neal Daniel Lanning private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor, commercial pilot; airplanes, multi-engine airplanes, helicopters · Frederick Flight Center · Frederick, MD (18 nm) · (240) 355-5782 · neallanning@icloud.com
- Alan Lowdermilk private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor, sport pilot, type ratings, private pilot (proficiency); airplanes, multi-engine airplanes · Aero Elite Aviation · Leesburg, VA (19 nm) · (304) 549-7594 · pasaml@frontier.com
- Piet Edward Barber private pilot, flight instructor, instrument instructor, commercial pilot, instructor renewals, military competency, ground instructor, foreign pilot certificates; gliders · South Riding, VA (22 nm) · (703) 951-7438 · pb@pietbarber.com
All 89 nearby, by kind, with contact details
What each kind does
- DPE: Designated Pilot Examiner: gives the practical tests (checkrides) for pilot certificates and ratings.
- SAE: Sport Aviation Examiner: gives the tests for sport pilot certificates and light-sport aircraft.
- AME: Aviation Medical Examiner: a doctor who issues the medical certificates pilots must hold.
- DME: Designated Mechanic Examiner: tests candidates for the mechanic certificate (airframe and powerplant).
- DAR-T: Designated Airworthiness Representative, maintenance: issues airworthiness certificates and approvals for aircraft in service.
- DAR-F: Designated Airworthiness Representative, manufacturing: issues airworthiness certificates for newly built aircraft and parts.
- DER-T: Designated Engineering Representative: approves engineering data for repairs and alterations on the FAA's behalf.
- DCTO-E: Designee at a certificated training organisation.
- Admin-PE: Administrative Pilot Examiner: handles certificate paperwork rather than flight tests.
Designees are listed with the name and contact details the FAA publishes for them on its designee locator (read October 10, 2026): the FAA lists them so that pilots, mechanics and companies can find them. Private individuals are not named, the site's policy at this time. A designee who would rather not appear here can ask us through the contact address on the About page. Each designee is placed at the main public airport of the town the FAA lists (or the nearest one to its zip code), so "nearby" means the town, not an exact address. All examiners by state.
Accidents and incidents at or near this airport NTSB records · 36 since 1982, 4 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English. The country as a whole: Where accidents happen.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file, spelled out
- Noise abatement departure runway 32; turn right to at least 340 degreess; jets refrain from runway 32 takeoff between 11:00 pm to 7:00 am.
- Activate runway end identifier lights runway 14 and 32; medium-intensity runway lights runway 14/32 - the common traffic frequency. PAPI runway 14 and 32 operates continuously.
- 1000 feet above ground level (1539 feet above sea level) turbine and jet 1500 feet above ground level (2039 feet above sea level) helicopters 800 feet above ground level (1339 feet above sea level).
- Ext. 1011
- Fuel truck available 8:00 am to 8:00 pm; request on 122.85. SELF-SERVE 100LL available with credit card.
- Runway 14, 47 feet trees, 169 feet R, 195 feet from threshold.
- Runway 32 has +15 feet ridge parallel to runway 155 feet L; +6FT fence parallel to runway 180 feet R.
- Deer and birds on and in the vicinity of airport.
- Helicopters refrain from air taxi over paved parking ramps.
- Runway 14 has 30 feet downslope 75 feet L/R of centerline at threshold to 150 feet both sides.
- Airport not recommended for aircraft with wingspan in excess of 79 feet and gross WT in excess of 48000 pounds.
- South ramp not recommended for aircraft with wingspan greater than 79 feet or weight greater than 40000 pounds.
Connections how this airport links to the rest of the register
- Aircraft registered in Gaithersburg 66 aircraft · 60 piston singles, 3 piston twins, 2 drones
- Wifa (Washington International Flight Academy) LLC 12 aircraft in town
- Vidal Aviation LLC 7 aircraft in town
- Winged Vision INC 4 aircraft in town
- Congressional Flying Club INC 3 aircraft in town
- Wifa (Washington International Flight Academy) LLC 13 aircraft · flight school
- Congressional Flying Club INC 3 aircraft · flying club
- Congressional Flying Club 1 aircraft · flying club
- Aviation Procurement Systems (Aps) · repair station
- NTSB accidents and incidents at or near this airport 36 since 1982 · 4 fatal
- Accidents and incidents in Maryland 836 since 1982 · 110 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in Maryland 34 landing places
- Maryland 2,341 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/GAI.json.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 9, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.