- Airport Identifier
- MT56
- Airport Name
- Sourdough Island on Salmon Lake Heliport
- Location
- Seeley Lake, United States
- Field elevation (ft)
- 3,980 ft
- Airport Type
- Closed
- Magnetic Variation
- 7.426° W
- Coordinates
- 47.104602° N 113.411126° W
| Runway Name | Runway Length | Displaced Threshold (ft) | Runway Heading (°T) | Runway Heading (°M) | Slope | Surface |
|---|