The Sea Ranch Airport Private
CA51 · The Sea Ranch, CA · 360 ft elevation · var 13E · Non-towered
Airport information
- FAA LID
- CA51
- Coordinates
- 38.7046, -123.4330
- Elevation
- 360 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Private
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- OAKLAND
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Distance from city
- 3 N
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 | 05:17 AM | 12:17Z |
| Sunrise | 05:49 AM | 12:49Z |
| Sunset | 08:42 PM | 03:42Z |
| Evening civil twilight Loggable night begins | 09:14 PM | 04:14Z |
Plan a flight from CA51
Traffic pattern
- Landing
- Rwy 12
- Pattern
- right (turns right)
- TPA
- 1,400 ft MSL (≈1,000 AGL)
Enter the right downwind for Rwy 12 at 1,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 12/30
2,600 ft × 40 ft · Asphalt (Good)- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Right
- Approach obstacle
- Hill, 700 ft from threshold — 8:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 315° mag · 328° true
- Markings
- basic
- Traffic pattern
- Right
- Approach obstacle
- Trees Hill, 3,200 ft from threshold — 12:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 300 ft
| Runway | Length | Your margin |
|---|---|---|
| 12/30 | 2,600 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ENI · Mendocino | VORTAC | 112.30 | r184° / 22.2 NM |
| STS · Santa Rosa | VOR-DME | 113.00 | r276° / 31.5 NM |
VFR sectional
No published instrument procedures or Chart Supplement for CA51. VFR sectional link above.
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- 200-FOOT OVERRUN EACH END RWY 12/30.
- ACFT WITH A CRTFD MAX TKOF WT GTR THAN 8500 LBS ARE PROHIBITED.
- ALL AIRCRAFT W/ACCELERATE-STOP DISTANCE EXCESS OF 2300 FEET, PROHIBITED FROM USING ARPT.
- RWYS 12/30 LEFT TURN AFTER TKOF.
- FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
- ONLY OPS IN VMC ARE PMTD TO/FROM THE ARPT. PILOTS DEPARTING IFR MUST MNTN VMC FOR TKOF AND PRVD THEIR OWN TRRN AND OBST CLNC AS DEFINED BY THE FAA.
- THE SEA RANCH ARPT IS NOT PMTD FOR PUB USE. PPR FOR ALL ACFT/PILOTS. PRIOR TO OPN PILOTS ARE RQRD TO HAVE THE SEA RANCH ASSOCIATION ARPT BRIEFING DCMT, WHICH CAN BE OBTAINED BY CTCG THE OFC AT 707-785-2444.
- OTR CTC: CHUCK BREIER - DIR OF FACILITIES & RESOURCES.
- +TV TWR 1.5 MILES & 300' LEFT OF CNTRL RWY 30 APCH END LGTD: 1015' MSL.
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 CA51 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 CA51
The Sea Ranch Airport (CA51) is an airport in The Sea Ranch, CA, at 360 ft MSL. It has 1 runway, the longest 2,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CA51, refreshed from the Aviation Weather Center and FAA NASR.
Does CA51 have a control tower?
No. The Sea Ranch Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at CA51?
The Sea Ranch Airport has 1 runway; the longest is 2,600 ft. See the Runways tab for headings, surface, and lighting.
Where is CA51?
The Sea Ranch Airport is in The Sea Ranch, CA, at an elevation of 360 ft MSL. Coordinates: 38.7046, -123.4330.
Fly out of CA51 often?
Save CA51 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.