Donnelly, Idaho
U84 Donald D Coski Meml
Donald D Coski Meml (U84) is a non-towered, public-use airport in Donnelly, Idaho, at 4,860 ft MSL. Its runway is 18/36 (2,500 by 125 ft, turf). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA U84
- Location
- Donnelly, Idaho (Valley County). 1 NM W of the city center
- Elevation
- 4,860 ft MSL
- Position
- 44.7291° N, 116.0926° W
- Control tower
- No, non-towered
- Sectional chart
- Great Falls
- Magnetic variation
- 18° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 18/36 | 2,500 × 125 ft | Turf, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 18 | Left traffic | None listed | None listed | None listed | Not listed |
| 36 | Left traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief U84 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Donald D Coski Meml, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.