O21 Hoopa

PROBABLE 68%

Runway 14 — wind slightly favors it, low confidence

Based mostly on wind; no traffic or ATIS to confirm. No D-ATIS feed here — a voice ATIS/AWOS may exist; check the frequency. No ADS-B traffic data available.

certainty: 68% evidence: NONE no tower now

Wind 140° true at 3 kt · LIFR · 15 min old · from KACV (20.1 nm away)

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14 61% 2325 ft · 3 kt head, 1 kt x-left · right traffic

32 39% 2325 ft · 3 kt TAIL, 1 kt x-right · right traffic

Why — evidence behind this answer

Runway 14

WIND 3 kt headwind, 1 kt left crosswind 15 min ago +0.12

Runway 32

WIND 3 kt TAILWIND, 1 kt right crosswind 15 min ago -0.33

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	15 min	Nearest station KACV (20.1 nm away)
ADSB	UNAVAILABLE		No ADS-B track history here yet
NOTAM	OK
CIFP	NOT_CONFIGURED		Instrument procedures: phase 4

Recent operations

No operations observed in the last hour. (No ADS-B track history here yet)

Was this right?

O21 field & runways

Hoopa, Hoopa, California. Field elevation 356 ft. Non-towered (NON-ATCT). Magnetic variation 17.0°E on record, 13.7°E today.

The FAA's variation of record is the number this field was surveyed against; the second is where north points now, from WMM2025. It is moving 0.101°/year west — about 1° every 10 years — which is why runway numbers eventually stop matching their pavement.

Runway data from the FAA NASR 01 Oct 2026 cycle. Where NASR locates both thresholds, the true heading is the bearing between them rather than NASR's whole-degree alignment. Magnetic is that heading against *today's* declination from WMM2025, not the field's variation of record — so it can differ from the chart by the gap between the two shown above. The number painted on the runway is the one ATC uses.
Runway	True	Magnetic	Number	Length	Surface	Pattern	Notes
14	163.3°	149.6°	runway 15 by the rule today · 9.6° past	2,325 ft	ASPH	right
32	343.3°	329.6°	runway 33 by the rule today · 9.6° past	2,325 ft	ASPH	right

Generated 08:08:15Z · auto-refreshes · JSON

O21 ☆ Hoopa