Airport information
- FAA LID
- O41
- Coordinates
- 38.6739, -121.8720
- Elevation
- 125 ft MSL
- Magnetic variation
- 14E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Public
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- RANCHO MURIETA
- NOTAM facility
- RIU
- Attendance
- OCT-APR ALL 0800-1700; MAY-SEP ALL 0700-1800
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1940/07
- Distance from city
- 4 W
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 | 05:11 AM | 12:11Z |
| Sunrise | 05:43 AM | 12:43Z |
| Sunset | 08:36 PM | 03:36Z |
| Evening civil twilight Loggable night begins | 09:07 PM | 04:07Z |
Plan a flight from O41
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RY 18/36 - CTAF. on 122.8 — 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 18 · 185°
- Pattern
- left (turns left)
- TPA
- 1,100 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 18 at 1,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 18/36
3,770 ft × 60 ft · Asphalt (Fair)- Heading
- 185° mag · 199° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 36 ft, 600 ft from threshold, 209 ft R of centerline — 11:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 630 ft
- Heading
- 005° mag · 19° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Ant, 20 ft, 300 ft from threshold, 100 ft R of centerline — 5:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 385 ft
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 3,770 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 126.6 | TRAVIS APP/DEP |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| TZZ · Travis | VOR | 116.40 | r335° / 20 NM |
| SAC · Sacramento | VORTAC | 115.20 | r296° / 20.4 NM |
| MCC · Mc Clellan | VOR-DME | 109.20 | r254° / 21.9 NM |
| ILA · Williams | VORTAC | 114.40 | r145° / 24.9 NM |
| SUU · Travis | TACAN | 116.60 | r351° / 25.9 NM |
| MYV · Marysville | VOR-DME | 110.80 | r193° / 29.1 NM |
| BAB · Beale | TACAN | 108.60 | r200° / 34.2 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- HIGH/LOW
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Instruction, Rental, Aircraft sales
Ownership & management
Remarks FAA
- THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
- ESTABD PRIOR TO 15 MAY 1959.
- TWIN ENGINE ACFT BACK TAXI ON RY.
- RY 18 UNLGTD 60 FT TREES HIGHER THAN POLE MOUNTED OBSTN LGTS.
- FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
- ACTVT MIRL RY 18/36 - CTAF.
- TPA FOR TURBINE ACFT 1500 FT AGL; TPA FOR OTHER ACFT 1000 FT AGL.
- FUEL 24 HRS WITH CREDIT CARD.
- GROSS PAVEMENT STRENGTH PRVDD BY MGR; 12000 LBS.
- +15 FT ROAD 125 FT FM EOR AND +20 FT BUSHES AND TREE 100 FT RIGHT 75 FT FM EOR.
- RWY 36 +4' FENCE 55' & ROAD 80' FROM THR.
- SVRLY FADED RWY MRKGS.
- SVRLY FADED RWY MRKGS.
- RWY 18 APCH RATIO 34:1 TO DSPLCD THLD.
- RY 36 APCH RATIO 34:1 TO DSPLCD THLD.
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 O41 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 O41
Watts Woodland Airport (O41) is an airport in Woodland, CA, at 125 ft MSL. It has 1 runway, the longest 3,770 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for O41, refreshed from the Aviation Weather Center and FAA NASR.
Does O41 have a control tower?
No. Watts Woodland Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at O41?
Watts Woodland Airport has 1 runway; the longest is 3,770 ft. See the Runways tab for headings, surface, and lighting.
Where is O41?
Watts Woodland Airport is in Woodland, CA, at an elevation of 125 ft MSL. Coordinates: 38.6739, -121.8720.
Fly out of O41 often?
Save O41 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.