3G9 Butler Farm Show

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. Wind calm — no directional preference.

certainty: — evidence: NONE no tower now

Wind calm · VFR · 45 min old · from KBTP (4.6 nm away)

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18 50% 2580 ft

36 50% 2580 ft

Why — evidence behind this answer

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	45 min	Nearest station KBTP (4.6 nm away)
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?

3G9 field & runways

Butler Farm Show, Butler, Pennsylvania. Field elevation 1333 ft. Non-towered (NON-ATCT). Magnetic variation 8.0°W on record, 9.3°W 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 0.005°/year east — about 1° every 200 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
18	not published		—	2,580 ft	ASPH	left
36	not published		—	2,580 ft	ASPH	left

Generated 08:41:27Z · auto-refreshes · JSON