📍 Gaithersburg⬆ 539 ft1 runways
KGAI · GAI
Montgomery County Airpark
39.16830°N
-77.16600°W
ARR / DAY
13
▼
79.4%
DEP / DAY
15
▼
79.2%
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 13 arrivals and 15 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 1 total
Current weather
Latest METAR observation
Temp
82°F
Wind
0 kts
0°
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
55% of ops
2,865 land · 2,874 TO
14
45% of ops
2,325 land · 2,198 TO
Runway 32 carries 55% of operations (2,865 landings, 2,874 takeoffs) over the last 30 days. The next most-used is 14 at 45%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
32
2,865 landings
UA 5%
14
2,325 landings
UA 6%GA 0.0%
Approaches to 32 show a 5% unstable-approach rate (142 UA events from 2,865 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
66.1
flights/day · 1,984 total
Busy hour (local)
2pm
also 4pm · 12pm
Day vs night
71%
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 23:18 UTC