- Airport Identifier
- US-7912
- Airport Name
- Knoop Airport
- Location
- Marble Rock, United States
- Field elevation (ft)
- 1,086 ft
- Airport Type
- Closed
- Magnetic Variation
- 0.362° E
- Coordinates
- 42.97101° N 92.99496° W
| Runway Name | Runway Length | Displaced Threshold (ft) | Runway Heading (°T) | Runway Heading (°M) | Slope | Surface |
|---|