D17 Westwinds

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

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22 27% 4100 ft

4 27% 4100 ft

13 23% 2000 ft

31 23% 2000 ft

Why — evidence behind this answer

Runway 22

PRIOR runway length 4100 ft +0.07

Runway 4

PRIOR runway length 4100 ft +0.07

Runway 13

PRIOR runway length 2000 ft -0.07

Runway 31

PRIOR runway length 2000 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?

D17 field & runways

Westwinds, Delta, Colorado. Field elevation 5000 ft. Non-towered (NON-ATCT). Magnetic variation 12.0°E on record, 8.9°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 0.082°/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.
Runway	True	Magnetic	Number	Length	Surface
13	147.3°	138.4°	runway 14 by the rule today · 8.4° past	2,000 ft	GRVL-DIRT
22	236.3°	227.4°	runway 23 by the rule today · 7.4° past	4,100 ft	ASPH
31	327.3°	318.4°	runway 32 by the rule today · 8.4° past	2,000 ft	GRVL-DIRT
4	56.3°	47.4°	runway 5 by the rule today · 7.4° past	4,100 ft	ASPH

Generated 08:40:06Z · auto-refreshes · JSON

D17 ☆ Westwinds