KCUT · Custer County Airport

CUSTER, SOUTH DAKOTA · SMALL AIRPORT

5,602

Elevation ft

Runway

5,500

Longest ft · 08/26

43.73N

103.62W

Custer County Airport serves Custer, South Dakota at 5,602 ft elevation with its longest runway, 08/26, at 5,500 by 60 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.

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01Runways

Runway	Length × width	Surface	Lighting
08/26	5,500 × 60 ft	asphalt	lit

02Density altitude and turboprop runway margins

Standard temperature at 5,602 ft is about 4°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, 4°C)	5,602 ft	3,531 ft	2,701 ft	4,052 ft
Warm day (ISA +10)	6,802 ft	3,765 ft	2,828 ft	4,241 ft
Hot day (ISA +20)	8,002 ft	3,999 ft	2,954 ft	4,431 ft
35°C afternoon	9,346 ft	4,261 ft	3,096 ft	4,644 ft

Planning aid only. Even on a 35°C afternoon the longest runway (08/26, 5,500 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (4,644 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 KCUT is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KRAP Rapid City Regional Airport	31 nm NE	8,701 ft
KECS Mondell Field	31 nm W	5,310 ft
K49B Sturgis Municipal Airport	42 nm N	5,100 ft
KSPF Black Hills Airport-Clyde Ice Field	45 nm N	6,401 ft

04Jet A prices and FBOs at KCUT

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at KCUT, 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 KCUT or read what a fuel stop actually saves.

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