K4V1 · Spanish Peaks Airfield

WALSENBURG, COLORADO · SMALL AIRPORT

6,047

Elevation ft

Runways

4,896

Longest ft · 08/26

37.70N

104.78W

Spanish Peaks Airfield serves Walsenburg, Colorado at 6,047 ft elevation with its longest runway, 08/26, at 4,896 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	4,896 × 60 ft	asphalt	lit
03/21	2,500 × 40 ft	turf	unlit

02Density altitude and turboprop runway margins

Standard temperature at 6,047 ft is about 3°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, 3°C)	6,047 ft	3,617 ft	2,748 ft	4,122 ft
Warm day (ISA +10)	7,247 ft	3,851 ft	2,875 ft	4,312 ft
Hot day (ISA +20)	8,447 ft	4,086 ft	3,001 ft	4,502 ft
35°C afternoon	9,898 ft	4,369 ft	3,154 ft	4,731 ft

Planning aid only. Even on a 35°C afternoon the longest runway (08/26, 4,896 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (4,731 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 K4V1 is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
K07V Cuchara Valley At La Veta Airport	15 nm SW	5,798 ft
KTAD Perry Stokes Airport	34 nm SE	5,500 ft
KPUB Pueblo Memorial Airport	38 nm N	10,498 ft
K1V6 Fremont County Airport	47 nm N	5,399 ft

04Jet A prices and FBOs at K4V1

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at K4V1, 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 K4V1 or read what a fuel stop actually saves.

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