OR81 Olinger Airpark

WIND_INFERRED 90%

Runway 25 — favored by the wind (8 kt at 290° true)

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

certainty: 90% evidence: WEAK no tower now

Wind 290° true at 8 kt · VFR · 51 min old · from KHIO (2.8 nm away)

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25 99% 2000 ft · 8 kt head, 2 kt x-right

7 <1% 2000 ft · 8 kt TAIL, 2 kt x-left · right traffic

Why — evidence behind this answer

Runway 25

WIND 8 kt headwind, 2 kt right crosswind 51 min ago +1.24

Runway 7

WIND 8 kt TAILWIND, 2 kt left crosswind 51 min ago -7.36

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	51 min	Nearest station KHIO (2.8 nm away)
ADSB	OK	89 min	MODERATE
NOTAM	OK
CIFP	NOT_CONFIGURED		Instrument procedures: phase 4

Recent operations

No operations observed in the last hour.

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OR81 field & runways

Olinger Airpark, Hillsboro, Oregon. Field elevation 185 ft. Non-towered (NON-ATCT). Private use. Magnetic variation 19.0°E on record, 14.5°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 0.117°/year west — about 1° every 9 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
25	273.8°	259.2°	runway 26 by the rule today · 9.2° past	2,000 ft	TURF-GRVL	left
7	93.8°	79.2°	runway 8 by the rule today · 9.2° past	2,000 ft	TURF-GRVL	right

Generated 09:43:33Z · auto-refreshes · JSON

OR81 ☆ Olinger Airpark