K7S6 · White Sulphur Springs Airport

WHITE SULPHUR SPRINGS, MONTANA · SMALL AIRPORT

5,061

Elevation ft

Runways

6,100

Longest ft · 01/19

46.50N

110.91W

White Sulphur Springs Airport serves White Sulphur Springs, Montana at 5,061 ft elevation with its longest runway, 01/19, at 6,100 by 75 ft. The figures below are computed from FAA NASR runway data (via OurAirports) and the same rules of thumb JetDesk uses on the airport page in the app; the POH and current NOTAMs are the authority.

Open K7S6 in JetDesk: live METAR, TAF, winds and runway verdict →

01Runways

Runway	Length × width	Surface	Lighting
01/19	6,100 × 75 ft	asphalt	lit
13/31	2,999 × 90 ft	turf	unlit

02Density altitude and turboprop runway margins

Standard temperature at 5,061 ft is about 5°C. Every 1,000 ft of density altitude adds roughly 8 percent to a turboprop's takeoff distance and 5 percent to its landing distance. The table uses Piper Meridian book numbers (2,438 ft takeoff and 2,110 ft landing over a 50 ft obstacle at sea level, ISA, max weight) as a reference airplane; heavier turboprops and light jets scale the same way from their own POH figures.

Conditions	Density altitude	Takeoff est.	Landing est.	Landing × 1.5
Standard day (ISA, 5°C)	5,061 ft	3,425 ft	2,644 ft	3,966 ft
Warm day (ISA +10)	6,261 ft	3,659 ft	2,771 ft	4,156 ft
Hot day (ISA +20)	7,461 ft	3,893 ft	2,897 ft	4,346 ft
35°C afternoon	8,676 ft	4,130 ft	3,025 ft	4,538 ft

Planning aid only. Even on a 35°C afternoon the longest runway (01/19, 6,100 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (4,538 ft needed). The percentages are a generic rule of thumb applied to one reference airplane, not certified performance data for any specific aircraft, and the runway size categories describe the runway, not your airplane's suitability. Verify with the approved flight manual before every flight.

03Nearby fields with 5,000 ft or more

Useful as alternates, as fuel stops when the price at K7S6 is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KHLN Helena Regional Airport	45 nm W	9,000 ft
KBZN Bozeman Yellowstone International Airport	45 nm S	8,994 ft
K9S5 Three Forks Airport	46 nm SW	5,100 ft
KLVM Mission Field	52 nm S	5,701 ft
K6S0 Big Timber Airport	57 nm SE	5,285 ft
KGTF Great Falls International Airport	62 nm N	10,502 ft

04Jet A prices and FBOs at K7S6

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at K7S6, the app flags a price stale after two weeks, and the route finder ranks every field within a corridor of your route by net savings after the cost of the extra cycle. Log a price at K7S6 or read what a fuel stop actually saves.

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