Grasmere Airport
U91 · Grasmere, Idaho · Owyhee County · map
Grasmere Airport is a public-use airport owned by the State of Idaho-Div. of Aeronautics in Grasmere, Idaho, 5,144 feet above sea level. Its one runway, 05/23, is 2,750 feet of dirt.
The airport
- Codes
- FAA U91
- Kind
- Airport · open to the public · publicly owned
- Owner
- State of Idaho-Div. of Aeronautics
- Elevation
- 5,144 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Repairs
- airframe: none; engine: none
- On the chart
- Salt Lake City sectional
- Magnetic variation
- 16E
- In the FAA's files since
- April 1956
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 05/23 | 2,750 × 150 ft | Dirt, fair |
- Runway 05: fence 4 ft high 50 ft from the end
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 Grasmere from the FAA register
No aircraft on the register list Grasmere, ID as the owner's town.
Accidents and incidents at or near this airport NTSB records · 1 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
- Estabd prior to 1959.
- No winter maintenance.
- Tiedown pads have no chains.
- 05/23 edges and thresholds marked with white rocks.
- Runway 05, 4 feet fence at 90 feet on centerline; 7 feet road at 150 feet on centerline. 65 feet marked powerline at 900 feet on centerline.
- Runway 05/23 surface may be poor due to damage by livestock; ground vehicles and rodents.
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.