Airport information
- FAA LID
- O09
- Coordinates
- 39.7902, -123.2660
- Elevation
- 1,434 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Public
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- OAKLAND
- NOTAM facility
- OAK
- Attendance
- UNATNDD
- Beacon
- white-green (SEE RMK)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1940/04
- Distance from city
- 1 SW
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 | 05:12 AM | 12:12Z |
| Sunrise | 05:45 AM | 12:45Z |
| Sunset | 08:45 PM | 03:45Z |
| Evening civil twilight Loggable night begins | 09:17 PM | 04:17Z |
Plan a flight from O09
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SEE RMK
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — 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 10 · 097°
- Pattern
- left (turns left)
- TPA
- 2,234 ft MSL · 800 AGL
- CTAF
- 122.8
Enter the left downwind for Rwy 10 at 2,234 ft MSL · 800 AGL on a 45°.
Runway 10/28
3,670 ft × 60 ft · Asphalt (Excellent)- Heading
- 097° mag · 114° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Hill, 250 ft, 2,500 ft from threshold, 100 ft R of centerline — 9:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 210 ft
- Heading
- 277° mag · 294° true
- Markings
- basic
- Traffic pattern
- Right
- Approach obstacle
- Trees, 100 ft, 3,500 ft from threshold, 0 ft B of centerline — 33:1 slope to clear
- Displaced threshold
- 270 ft
| Runway | Length | Your margin |
|---|---|---|
| 10/28 | 3,670 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| UNIC | 122.8 | CTAF/UNICOM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- DUSK-DAWN.
- FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
- ARPT IN VALLEY; HIGH MTS AND TRRN AND RIDGE SRND ARPT. MT FLYING EXPERIENCE STRONGLY RCMDD.
- FOR MIRL RWY 10/28 KEY 122.8 5 TIMES.
- ADD'L AUTH SOURCE, HOWARD DASHIELL, DIR MCDOT (707) 463-4363, BOB MORGAN (MORGANB@CO.MENDOCINO.CA.US) ENG MCDOT (707) 463-5494
- ROAD 100 FT FM THR & 4 FT FENCE 135 FT FM THR; 3 FT TIRES 80 FT 0B FM THR.
- ROAD 50 FT FM THR; 4 FT FENCE 40 FT FM THR; 5 FT FENCE 110 FT FM THR.
- APCH RATIO 10:1 TO DSPLCD THLD.
- APCH RATIO TO DSPLCD THR 37:1; APCH RATIO TO DSPLCD THR OVER +15 FT ROAD 310 FT FM DSPLCD THR 20:1.
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 O09 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 O09
Round Valley Airport (O09) is an airport in Covelo, CA, at 1,434 ft MSL. It has 1 runway, the longest 3,670 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for O09, refreshed from the Aviation Weather Center and FAA NASR.
Does O09 have a control tower?
No. Round Valley Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at O09?
Round Valley Airport has 1 runway; the longest is 3,670 ft. See the Runways tab for headings, surface, and lighting.
Where is O09?
Round Valley Airport is in Covelo, CA, at an elevation of 1,434 ft MSL. Coordinates: 39.7902, -123.2660.
Fly out of O09 often?
Save O09 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.