runwayinuse

7Y9 Big Falls Muni

?
UNKNOWN

Unknown — not enough evidence to call a runway

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

N 11 29 21 3

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11 25% 2602 ft
21 25% 2850 ft
29 25% 2602 ft
3 25% 2850 ft
Why — evidence behind this answer

Sources consulted

sourcestatus agenote
D_ATISUNAVAILABLE No D-ATIS at this field
METARUNAVAILABLE No weather observation found
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)

Was this right?

7Y9 field & runways

Big Falls Muni, Big Falls, Minnesota. Field elevation 1233 ft. Non-towered (NON-ATCT). Magnetic variation 3.0°E on record, 0.0°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 0.028°/year west — about 1° every 36 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
11 120.7° 120.7° runway 12 by the rule today · 10.7° past 2,602 ft TURF left
21 215.6° 215.6° runway 22 by the rule today · 5.6° past 2,850 ft TURF
29 300.7° 300.7° runway 30 by the rule today · 10.7° past 2,602 ft TURF left
3 35.6° 35.6° runway 4 by the rule today · 5.6° past 2,850 ft TURF

Generated 08:41:58Z · auto-refreshes · JSON