Donald D Coski Memorial
U84 · Donnelly, Idaho · Valley County · map
Donald D Coski Memorial is a public-use airport owned by the City of Donnelly, 1 mile west of Donnelly, Idaho, 4,860 feet above sea level. Its one runway, 18/36, is 2,500 feet of grass.
The airport
- Codes
- FAA U84
- Kind
- Airport · open to the public · publicly owned
- Owner
- City of Donnelly
- Elevation
- 4,860 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- Great Falls sectional
- Magnetic variation
- 18E
- In the FAA's files since
- October 1950
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 2,500 × 125 ft | Grass, fair |
- Runway 18: trees on the approach
- Runway 36: trees on the approach
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Donnelly from the FAA register
14 aircraft are registered to owners in Donnelly, Idaho: 12 piston singles, 1 piston twin, 1 drone. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Idaho.
Accidents and incidents at or near this airport NTSB records · 4 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- No winter maintenance.
- Lori clemens is the city clerk and amgr.
- Recommended land runway 36 and takeoff runway 18 when wind conditions permit.
- 60 feet trees at 0 feet, 100 feet right.
- 45 feet trees at 0 feet 80 feet L; nmrs 20-80 feet trees, 600 feet out on appch/ext centerline.
- 65 feet trees 600 feet on centerline aer.
- Runway 18/36 may not be mowed full width.
- Both sides runway: +30-80 feet trees.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.