Imagery © Google
Airport
Brown Cabin Seaplane Base
US · US-MT · SEAPLANE BASE
HIGHverified May 2026
Overview
Geography
- ARP coordinates
- 48.0381, -115.0913
- Elevation
- 3340 ft (1018.03 m)
- Timezone
- America/Denver
Operations
- Customs
- No
- Immigration
- No
- 24h operations
- No
- PPR required
- No
- Curfew
- No
- ARFF (ICAO)
- —
- Status
- OPERATIONAL
Identifiers
- LOCAL6MT4
- GPS_CODE6MT4
Runways (1)
11W/29W3,658 m × 152 m · WATER
Geometry
| Length | 3,658 m (12,000 ft) |
|---|---|
| Width | 152 m |
| Surface | WATER |
Runway ends
11W
| Threshold | 48.0411, -115.0931 |
|---|
29W
| Threshold | 48.0233, -115.0518 |
|---|