N56 Great Valley

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. Wind calm — no directional preference.

certainty: — evidence: NONE no tower now

Wind calm · VFR · 48 min old · from KBFD (24.3 nm away)

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24 50% 3200 ft

6 50% 3200 ft

Why — evidence behind this answer

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	48 min	Nearest station KBFD (24.3 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)

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N56 field & runways

Great Valley, Great Valley, New York. Field elevation 1450 ft. Non-towered (NON-ATCT). Magnetic variation 10.0°W on record, 10.3°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 0.023°/year east — about 1° every 43 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
24	223.5°	233.8°	runway 23 by the rule today · 6.2° past	3,200 ft	TURF-DIRT	left
6	43.5°	53.8°	runway 5 by the rule today · 6.2° past	3,200 ft	TURF-DIRT	left

Generated 08:40:41Z · auto-refreshes · JSON