Sierraville Dearwater Airport
O79 · Sierraville, California · Sierra County · map
Sierraville Dearwater Airport is a public-use airport owned by the County of Sierra, 1 mile southeast of Sierraville, California, 4,990 feet above sea level. Its one runway, 03/21, is 3,093 feet of asphalt and dirt.
The airport
- Codes
- FAA O79
- Kind
- Airport · open to the public · publicly owned
- Owner
- County of Sierra
- Elevation
- 4,990 feet above sea level
- Pattern altitude
- 800 feet above the airport
- Control tower
- No control tower
- Attended
- unattended
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- San Francisco sectional
- Magnetic variation
- 16E
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 03/21 | 3,093 × 50 ft | Asphalt and dirt, poor |
- Runway 21: right-hand traffic pattern, threshold displaced 182 ft
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 Sierraville from the FAA register
2 aircraft are registered to owners in Sierraville, California: 2 piston singles. 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 California.
Accidents and incidents at or near this airport NTSB records · 2 since 1982, 0 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
- Ultralight activity on and in the vicinity of airport.
- Sierra county public works department, downieville.
- Pavement is crumbling in areas and cracking.
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.