- Airport Identifier
- 23IS
- Airport Name
- Clark Airport
- Location
- Plymouth, United States
- Field elevation (ft)
- 570 ft
- Airport Type
- Small airport
- Magnetic Variation
- 1.575° E
- Coordinates
- 40.325682° N 90.827633° W
| Runway Name | Runway Length | Displaced Threshold (ft) | Runway Heading (°T) | Runway Heading (°M) | Slope | Surface |
|---|---|---|---|---|---|---|
| E | 1,600 ft x 70 ft | N/A | Unknown | Unknown | Unknown | Grass |
| W | 1,600 ft x 70 ft | N/A | Unknown | Unknown | Unknown | Grass |