runwayinuse

KFCS Butts AAF (Fort Carson)

31
PROBABLE 70%

Runway 31 — 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.

certainty: 70% evidence: NONE Class D

N 31 13

Wind 340° true at 4 kt · VFR · 20 min old · from KCOS (8.5 nm away)

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31 70% 4521 ft · 4 kt head, 2 kt x-right
13 30% 4521 ft · 4 kt TAIL, 2 kt x-left
Why — evidence behind this answer

Runway 31

Runway 13

Sources consulted

sourcestatus agenote
D_ATISUNAVAILABLE No D-ATIS at this field
METAROK 20 min Nearest station KCOS (8.5 nm away)
ADSBOK 1 min GOOD
NOTAMOK
CIFPNOT_CONFIGURED Instrument procedures: phase 4

Recent operations

No operations observed in the last hour.

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KFCS field & runways

Butts AAF (Fort Carson), Fort Carson, Colorado. Field elevation 5841 ft. Class D airspace. Towered. Private use. Magnetic variation 8.0°E on record, 7.3°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 0.08°/year west — about 1° every 12 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
13 137.3° 130.0° matches 4,521 ft ASPH
31 317.3° 310.0° matches 4,521 ft ASPH ILS

What KFCS usually does

Of 57 operations this service has observed at KFCS since 2026-08-25:

Observed by this service only — not an FAA statistic, and biased toward the hours and days it has been watching. It is shown because it is the same history the engine learns its local-convention prior from.

Generated 09:13:57Z · auto-refreshes · JSON