AK33 Herendeen Bay

UNKNOWN

No runway-in-use estimate is possible here

The FAA's NASR data publishes no runway alignment for this field, so there is nothing to compute a wind component against and no way to tell which end an aircraft used. What is known about the field is below.

We don't know, and saying so beats guessing. No D-ATIS feed here — a voice ATIS/AWOS may exist; check the frequency. No ADS-B traffic data available. No weather observation available.

certainty: — evidence: NONE no tower now

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12 25% 1090 ft

25 25% 970 ft

30 25% 1090 ft · right traffic

7 25% 970 ft

Why — evidence behind this answer

Sources consulted

source	status	note
D_ATIS	UNAVAILABLE	No D-ATIS at this field
METAR	UNAVAILABLE	No weather observation found
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?

AK33 field & runways

Herendeen Bay, Herendeen Bay, Alaska. Field elevation 20 ft. Non-towered (NON-ATCT). Private use. Magnetic variation 18.0°E on record, 9.7°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 0.223°/year west — about 1° every 4 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	Number	Length	Surface	Pattern
12	not published	—	1,090 ft	GRVL-TURF	left
25	not published	—	970 ft	GRVL-TURF	left
30	not published	—	1,090 ft	GRVL-TURF	right
7	not published	—	970 ft	GRVL-TURF	left

Generated 10:57:30Z · auto-refreshes · JSON