Hoopa Airport
O21 · Hoopa, CA · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:54 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:46 AM | 12:46Z |
| Sunrise | 06:16 AM | 13:16Z |
| Sunset | 08:24 PM | 03:24Z |
| Evening civil twilight Loggable night begins | 08:54 PM | 03:54Z |
Plan a flight from O21
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
RWY 14RIGHT trafficRP · charted
- Heading
- 146° mag · 163° true
- Dimensions
- 2,325 × 50 ft
- TPA
- 1,156 ft MSL · 800 AGL · charted
- Surface
- Asphalt
- Displaced thr
- 80 ft
- CTAF
- 122.9
Enter the right downwind (heading 326°) on the 45° at 1,156 ft MSL.
More details — RWY 14
- Markings
- basic
- Approach obstacle
- Trees, 15 ft, 201 ft from threshold, 30 ft L of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side + displaced threshold: FAA NASR · TPA charted (NASR) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 2,325 ft |
Prefer one flat page? Full runway details for O21 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the O21 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
ACV 115.05 · FOT 114.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ACV · Arcata | VOR/DME | 115.05 · 97Y | Low | r062° / 20.3 NM |
| FOT · Fortuna | VORTAC | 114.00 · 87X | Low | r030° / 34.1 NM |
Prefer one flat list? All O21 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- O21
- Coordinates
- 41.0429, -123.6680
- Elevation
- 356 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- KLAMATH FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- OAKLAND · 122.5 · 1-800-WX-BRIEF
- NOTAM facility
- OAK
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1963/11
- Distance from city
- 1 SE
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 6 notes
General
- DAY USE ONLY; CLSD NGTS.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
Obstructions
- RWY 14 HAS 15 FT BRUSH AND TREES 90 FT R.
- RY 14 APCH SLOPE 18:1 TO DSPLCD THLD.
- RY 32 APCH SLOPE 20:1 TO DSPLCD THLD.
Contact
- HOOPA ROADS DEPT.
Nearby airports
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Also nearby: O19 Kneeland Airport (23 NM) · H47 Hyampom Airport (26 NM) · O33 Samoa Field Airport (29 NM) · S51 Andy Mc Beth Airport (32 NM)
About O21
Hoopa Airport (O21) is an airport in Hoopa, CA, at 356 ft MSL. It has 1 runway, the longest 2,325 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for O21, refreshed from the Aviation Weather Center and FAA NASR.
Does O21 have a control tower?
No. Hoopa Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at O21?
Hoopa Airport has 1 runway; the longest is 2,325 ft. See the Runways section for headings, surface, and lighting.
Where is O21?
Hoopa Airport is in Hoopa, CA, at an elevation of 356 ft MSL. Coordinates: 41.0429, -123.6680.
Fly out of O21 often?
Save O21 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.
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 O21 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.