📍 Gaithersburg⬆ 539 ft1 runways
KGAI · GAI
Montgomery County Airpark
39.16830°N
-77.16600°W
ARR / DAY
47
▼
20.0%
DEP / DAY
52
▼
19.7%
Montgomery County Airpark (KGAI/GAI) is a small general aviation airport located in Gaithersburg, MD, 20 mi north of Arlington. It features 1 runway measuring 4,202 feet. SkyMeter has observed roughly 47 arrivals and 52 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
—
Wind
5 kts
130°
Visib
10+ km
Ceil
—
Runways
1 installed
14/32
4,202 ft × 75
ASP● LITMED
Runway intelligence
Which runway carries the operations, observed over the last 30 days
32
67% of ops
2,470 land · 2,515 TO
14
33% of ops
1,209 land · 1,113 TO
Runway 32 carries 67% of operations (2,470 landings, 2,515 takeoffs) over the last 30 days. The next most-used is 14 at 33%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
32
2,470 landings
UA 4%
14
1,209 landings
UA 6%GA 0.2%
Approaches to 32 show a 4% unstable-approach rate (93 UA events from 2,470 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
87.5
flights/day · 2,626 total
Busy hour (local)
2pm
also 6pm · 4pm
Day vs night
76%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 123.075 | — |
| APCH | 128.700 | — |
| APCH | 307.900 | — |
| UNICOM | 123.075 | — |
| AWOS | 128.275 | — |
| OTHER | 121.600 | — |
| CD/P | 121.600 | — |
| OTHER | 126.750 | — |
| TRSTN ST | 126.750 | — |
| OTHER | 128.700 | — |
| TERPZ DP | 128.700 | — |
| OTHER | 307.200 | — |
| TRSTN ST | 307.200 | — |
| OTHER | 307.900 | — |
| TERPZ DP | 307.900 | — |
Airport operations
- ARTCC:
- ZDC
- Mag var:
- 9° W
- Fuel:
- 100LL
Hourly traffic
Avg movements per hour · local time · last 30 days
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 01:12 UTC