📍 Gaithersburg⬆ 539 ft1 runways
KGAI · GAI
Montgomery County Airpark
39.16830°N
-77.16600°W
ARR / DAY
41
▼
23.2%
DEP / DAY
46
▼
21.5%
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 41 arrivals and 46 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
84°F
Wind
4 kts
280°
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
64% of ops
1,398 land · 1,426 TO
14
36% of ops
775 land · 701 TO
Runway 32 carries 64% of operations (1,398 landings, 1,426 takeoffs) over the last 30 days. The next most-used is 14 at 36%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
32
1,398 landings
UA 4%
14
775 landings
UA 7%
Approaches to 32 show a 4% unstable-approach rate (52 UA events from 1,398 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
77.5
flights/day · 2,324 total
Busy hour (local)
2pm
also 6pm · 3pm
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 01:16 UTC