7S6 White Sulphur Springs

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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1 27% 6100 ft

19 27% 6100 ft

13 23% 2999 ft

31 23% 2999 ft

Active NOTAMs affecting runways

APCH OTS RWY 19 until 10-08 21:03Z

IAP WHITE SULPHUR SPRINGS, WHITE SULPHUR SPRINGS, MT.
RNAV (GPS) RWY 19, AMDT 1...
PROCEDURE NA.
2610072103-2810082103EST

Why — evidence behind this answer

Runway 1

PRIOR runway length 6100 ft +0.07

Runway 19

PRIOR runway length 6100 ft +0.07

Runway 13

PRIOR runway length 2999 ft -0.07

Runway 31

PRIOR runway length 2999 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?

7S6 field & runways

White Sulphur Springs, White Sulphur Springs, Montana. Field elevation 5065 ft. Non-towered (NON-ATCT). Magnetic variation 11.0°E on record, 11.2°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 0.097°/year west — about 1° every 10 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
1	22.3°	11.1°	matches rule gives runway 2 in ~40 yr	6,100 ft	ASPH	left
13	143.0°	131.8°	matches rule gives runway 14 in ~33 yr	2,999 ft	TURF	left
19	202.3°	191.1°	matches rule gives runway 20 in ~40 yr	6,100 ft	ASPH	left
31	323.0°	311.8°	matches rule gives runway 32 in ~33 yr	2,999 ft	TURF	left

Generated 09:14:32Z · auto-refreshes · JSON

7S6 ☆ White Sulphur Springs