Airport information
- FAA LID
- O33
- Coordinates
- 40.7810, -124.2120
- Elevation
- 20 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- KLAMATH FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- OAKLAND
- NOTAM facility
- OAK
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1944/02
- Distance from city
- 2 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 | 05:12 AM | 12:12Z |
| Sunrise | 05:45 AM | 12:45Z |
| Sunset | 08:52 PM | 03:52Z |
| Evening civil twilight Loggable night begins | 09:25 PM | 04:25Z |
Plan a flight from O33
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.7 — 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 16
- Pattern
- right (turns right)
- TPA
- 820 ft MSL · 800 AGL
- CTAF
- 122.7
Enter the right downwind for Rwy 16 at 820 ft MSL · 800 AGL on a 45°.
Runway 16/34
2,700 ft × 60 ft · Asphalt (Fair)- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Right
- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 16/34 | 2,700 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| FOT · Fortuna | VORTAC | 114.00 | r350° / 6.7 NM |
| ACV · Arcata | VOR-DME | 110.20 | r184° / 12.9 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
- ESTABD PRIOR TO 1959.
- DAY USE ONLY; CLSD NGTS.
- BE AWARE, CTAF FREQ SHARED WITH NEARBY ARPT.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
- ULTRALIGHT ACTIVITY ON & INVOF ARPT.
- DIRECTOR OFFICE, EUREKA CITY HALL.
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 O33 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 O33
Samoa Field Airport (O33) is an airport in Eureka, CA, at 20 ft MSL. It has 1 runway, the longest 2,700 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for O33, refreshed from the Aviation Weather Center and FAA NASR.
Does O33 have a control tower?
No. Samoa Field Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at O33?
Samoa Field Airport has 1 runway; the longest is 2,700 ft. See the Runways tab for headings, surface, and lighting.
Where is O33?
Samoa Field Airport is in Eureka, CA, at an elevation of 20 ft MSL. Coordinates: 40.7810, -124.2120.
Fly out of O33 often?
Save O33 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.