Sierraville Dearwater Airport
O79 · Sierraville, CA · 4,984 ft elevation · var 16E · Non-towered
Airport information
- FAA LID
- O79
- Coordinates
- 39.5810, -120.3540
- Elevation
- 4,984 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Public
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- RENO
- NOTAM facility
- RNO
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Distance from city
- 1 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:01 AM | 12:01Z |
| Sunrise | 05:34 AM | 12:34Z |
| Sunset | 08:32 PM | 03:32Z |
| Evening civil twilight Loggable night begins | 09:05 PM | 04:05Z |
Plan a flight from O79
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 03 · 033°
- Pattern
- left (turns left)
- TPA
- 5,784 ft MSL · 800 AGL
- CTAF
- 122.9
Enter the left downwind for Rwy 03 at 5,784 ft MSL · 800 AGL on a 45°.
Runway 03/21
3,093 ft × 50 ft · ASPH-DIRT (Poor)- Heading
- 033° mag · 49° true
- Markings
- basic
- Traffic pattern
- Left
- Heading
- 213° mag · 229° true
- Markings
- basic
- Traffic pattern
- Right
- Displaced threshold
- 182 ft
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 3,093 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| SWR · Squaw Valley | VOR-DME | 113.20 | r335° / 24.4 NM |
| FMG · Mustang | VORTAC | 117.90 | r259° / 32.4 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
- ULTRALIGHT ACTIVITY ON & INVOF ARPT.
- SIERRA COUNTY PUBLIC WORKS DIRECTOR. TRANSPORTATION@SIERRACOUNTY.CA.GOV
- SIERRA COUNTY PUBLIC WORKS DEPARTMENT, DOWNIEVILLE.
- PAVEMENT IS CRUMBLING IN AREAS AND CRACKING.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open O79 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About O79
Sierraville Dearwater Airport (O79) is an airport in Sierraville, CA, at 4,984 ft MSL. It has 1 runway, the longest 3,093 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for O79, refreshed from the Aviation Weather Center and FAA NASR.
Does O79 have a control tower?
No. Sierraville Dearwater Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at O79?
Sierraville Dearwater Airport has 1 runway; the longest is 3,093 ft. See the Runways tab for headings, surface, and lighting.
Where is O79?
Sierraville Dearwater Airport is in Sierraville, CA, at an elevation of 4,984 ft MSL. Coordinates: 39.5810, -120.3540.
Fly out of O79 often?
Save O79 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.