runwayinuse

5U1 Dutton

34
WIND_INFERRED 80%

Runway 34 — favored by the wind (6 kt at 310° 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. No ADS-B traffic data available.

certainty: 80% evidence: NONE no tower now

N 34 16

Wind 310° true at 6 kt · VFR · 47 min old · from K1HM (13.3 nm away)

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34 81% 3130 ft · 4 kt head, 5 kt x-left
16 19% 3130 ft · 4 kt TAIL, 5 kt x-right
Why — evidence behind this answer

Runway 34

Runway 16

Sources consulted

sourcestatus agenote
D_ATISUNAVAILABLE No D-ATIS at this field
METAROK 47 min Nearest station K1HM (13.3 nm away)
ADSBUNAVAILABLE No ADS-B track history here yet
NOTAMOK
CIFPNOT_CONFIGURED Instrument procedures: phase 4

Recent operations

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

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5U1 field & runways

Dutton, Dutton, Montana. Field elevation 3699 ft. Non-towered (NON-ATCT). Magnetic variation 17.0°E on record, 11.7°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.
RunwayTrueMagnetic Number LengthSurfacePattern Notes
16 179.4° 167.7° runway 17 by the rule today · 7.7° past 3,130 ft ASPH-TURF left
34 359.4° 347.7° runway 35 by the rule today · 7.7° past 3,130 ft ASPH-TURF left

Generated 08:42:12Z · auto-refreshes · JSON