KBPI · Miley Memorial Field

BIG PINEY, WYOMING · MEDIUM AIRPORT

6,990

Elevation ft

Runways

6,803

Longest ft · 13/31

42.59N

110.11W

Miley Memorial Field serves Big Piney, Wyoming at 6,990 ft elevation with its longest runway, 13/31, at 6,803 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.

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01Runways

Runway	Length × width	Surface	Lighting
13/31	6,803 × 75 ft	asphalt	lit
08/26	3,301 × 60 ft	turf	unlit

02Density altitude and turboprop runway margins

Standard temperature at 6,990 ft is about 1°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, 1°C)	6,990 ft	3,801 ft	2,847 ft	4,271 ft
Warm day (ISA +10)	8,190 ft	4,035 ft	2,974 ft	4,461 ft
Hot day (ISA +20)	9,390 ft	4,269 ft	3,101 ft	4,651 ft
35°C afternoon	11,068 ft	4,597 ft	3,278 ft	4,917 ft

Planning aid only. Even on a 35°C afternoon the longest runway (13/31, 6,803 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (4,917 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 KBPI is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KPNA Ralph Wenz Field	18 nm NE	8,900 ft
KAFO Afton Municipal Airport	37 nm W	7,025 ft
KEMM Kemmerer Municipal Airport	50 nm SW	8,203 ft
K1U7 Bear Lake County Airport	58 nm W	5,728 ft

04Jet A prices and FBOs at KBPI

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

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