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Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Montgomery County Airpark (KGAI/GAI) — Gaithersburg, United States

At a glance

Operating hours
12:00–23:00 UTC
Fuel
100LL, Jet A
Runways
14/32
Elevation
539 ft

Times in UTC. Reference only: verify with the AIP and NOTAMs.

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77% Data Complete 40 of 52 points
Missing: Contacts
Section Breakdown
Basic Info 7/7
Runways 4/4
Frequencies 2/4
Operations 2/2
Fuel 1/1
Contacts 0/2
Additional Info 3/10
Data last updated:
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Basic Airport Information

  • ICAO: KGAI
  • Name: Montgomery County Airpark
  • Type: small_airport
  • Category: Domestic
  • Latitude: 39.168301
  • Longitude: -77.166
  • Elevation: 539 ft
  • Country: United States
  • Municipality: Gaithersburg
  • IATA Code: GAI
  • FAA Code: N/A
  • FIR: N/A
  • Timezone: America/New_York
  • Distance from City: N/A km
  • VFR: Yes
  • IFR: No

Runways

Runway 14/32

  • Designation: 14/32
  • Dimensions: 1281x23m
  • Surface: ASP
  • PCN: N/A
  • Lighting: Lighted
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Frequencies

  • Tower: N/A
  • Ground: N/A
  • Operations: 123.075 MHz
  • Traffic/Approach: N/A
  • ATIS: 128.275 MHz

Operation Hours

Monday 12:00 – 23:00
Tuesday 12:00 – 23:00
Wednesday 12:00 – 23:00
Thursday 12:00 – 23:00
Friday 12:00 – 23:00
Saturday 12:00 – 23:00
Sunday 12:00 – 23:00
  • Extra Hours On Request: Not recorded
  • Remarks: N/A

Contacts

  • AIS Tel: N/A
  • ARO Tel: N/A
  • MET Tel: N/A
  • Admin Tel: +1 301-978-7009
  • Health Tel: N/A
  • Police Tel: N/A
  • Authorities Tel: N/A
  • Website: N/A
  • Remarks: N/A

Slots / PPR

  • Slot Required: Not recorded
  • PPR Required: Not recorded
  • PPR Contact: N/A
  • Remarks: N/A

Fuel Information

  • Fuel Type: 100LL
  • Price/L: N/A
  • Last Updated: N/A
  • Remarks: N/A
  • Fuel Type: Jet A
  • Price/L: N/A
  • Last Updated: N/A
  • Remarks: N/A

Immigration

  • Port of Entry: Not recorded
  • APIS Required: Not recorded
  • GAR Required: Not recorded
  • Remarks: N/A

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d
  • Overflight Permit: No
  • Landing Permit: Conditional
  • Overflight Lead Time: N/A
  • Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

10/558
info Upcoming
COM CLR DELIVERY 121.6 U/S USE 866-429-5882
2026-10-29 04:00 UTC 2026-10-29 10:00 UTC
10/603
info
OBST TOWER LGT (ASR 1059002) 390757.00N0771816.00W (6.8NM W GAI) 813FT (404FT AGL) U/S
2026-10-27 03:06 UTC 2026-12-11 09:06 UTC
6/2257
info
ODP MONTGOMERY COUNTY AIRPARK, GAITHERSBURG, MD. TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES AMDT 1... TAKEOFF MINIMUMS: RWY 14, 300-1 OR STANDARD WITH MINIMUM CLIMB OF 415 FT PER NM TO 900. TEMPORARY CRANE 4401FT FROM DER, 1689FT RIGHT OF CENTERLINE, 200FT AGL/717FT MSL (2026-AEA-7906-OE)…
2026-10-26 10:00 UTC 2026-11-11 04:10 UTC

+12 more active NOTAMs

NOTAMs received from the FAA NOTAM feed (last message 2026-10-28 08:55 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.
View all NOTAMs on Map

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Airport History

No milestones recorded for Montgomery County Airpark yet. Know when it opened, who built it or a notable event? Add it with a source.

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Frequently Asked Questions
What are the operating hours of KGAI?
Montgomery County Airpark operates from 12:00 to 23:00.
What fuel is available at KGAI?
Montgomery County Airpark offers 100LL, Jet A.
Does KGAI require landing permits?
It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is KGAI located?
Montgomery County Airpark (KGAI) is located in Gaithersburg, United States.
What is the IATA code for KGAI?
The IATA code for Montgomery County Airpark is GAI.
How long is the runway at KGAI?
The main runway at Montgomery County Airpark (14/32) measures 1281x23m.