- Airport Identifier
- K7A4
- Airport Name
- Foster Field
- Location
- Apple River, United States
- Field elevation (ft)
- 990 ft
- Airport Type
- Small airport
- Magnetic Variation
- 2.033° E
- Coordinates
- 42.4664° N 90.169403° W
| Runway Name | Runway Length | Displaced Threshold (ft) | Runway Heading (°T) | Runway Heading (°M) | Slope | Surface |
|---|---|---|---|---|---|---|
| 18 | 2,996 ft x 30 ft | 187 ft | 180 °M | 178 °M | -0.77% | Paved |
| 36 | 2,996 ft x 30 ft | 57 ft | °M | 358 °M | 0.77% | Paved |