📍 Twin Bridges⬆ 4,777 ft2 runways
K7S1 ·
Ruby Valley Field
45.53370°N
-112.30028°W
ARR / DAY
1
▼
60.0%
DEP / DAY
0
▼
100.0%
Ruby Valley Field (K7S1) is a small general aviation airport located in Twin Bridges, MT, 185 mi west of Billings. It features 2 runways with the longest being 6,000 feet. SkyMeter has observed roughly 1 arrivals and 0 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
From KBTM, 31 mi away (K7S1 does not publish METAR)
Temp
59°F
Wind
6 kts
180°
Visib
10+ km
Ceil
—
Runway intelligence
Which runway carries the operations, observed over the last 30 days
25
53% of ops
26 land · 0 TO
17
47% of ops
23 land · 0 TO
35
0% of ops
0 land · 4 TO
Runway 25 carries 53% of operations (26 landings, 0 takeoffs) over the last 30 days. The next most-used is 17 at 47%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
25
26 landings
UA 0%
17
23 landings
UA 0%
35
0 landings
UA 0%
Approaches to 25 show a 0% unstable-approach rate (0 UA events from 26 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
0.9
flights/day · 27 total
Busy hour (local)
2pm
also 3pm · 6pm
Day vs night
78%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 122.900 | — |
Airport operations
- ARTCC:
- ZJX
- Elevation:
- 138 ft
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 07:50 UTC