D79 Dart

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. No weather observation available.

certainty: — evidence: NONE no tower now

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10 18% 3800 ft

28 18% 3800 ft

13 17% 2750 ft

31 17% 2750 ft

24 16% 1840 ft

6 16% 1840 ft

Why — evidence behind this answer

Runway 10

PRIOR runway length 3800 ft +0.07

Runway 28

PRIOR runway length 3800 ft +0.07

Runway 24

PRIOR runway length 1840 ft -0.07

Runway 6

PRIOR runway length 1840 ft -0.07

Sources consulted

source	status	note
D_ATIS	UNAVAILABLE	No D-ATIS at this field
METAR	UNAVAILABLE	No weather observation found
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?

D79 field & runways

Dart, Mayville, New York. Field elevation 1330 ft. Non-towered (NON-ATCT). Magnetic variation 9.0°W on record, 9.8°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 0.018°/year east — about 1° every 56 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	Number	Length	Surface	Pattern
10	not published	—	3,800 ft	TURF
13	not published	—	2,750 ft	TURF	left
24	not published	—	1,840 ft	TURF	left
28	not published	—	3,800 ft	TURF
31	not published	—	2,750 ft	TURF	left
6	not published	—	1,840 ft	TURF	left

Generated 09:43:29Z · auto-refreshes · JSON

D79 ☆ Dart