KASL · Harrison County Airport

MARSHALL, TEXAS · SMALL AIRPORT

357

Elevation ft

Runways

5,002

Longest ft · 15/33

32.52N

94.31W

Harrison County Airport serves Marshall, Texas at 357 ft elevation with its longest runway, 15/33, at 5,002 by 100 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
15/33	5,002 × 100 ft	asphalt	lit
02/20	3,299 × 60 ft	asphalt	unlit

02Density altitude and turboprop runway margins

Standard temperature at 357 ft is about 14°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, 14°C)	357 ft	2,508 ft	2,148 ft	3,221 ft
Warm day (ISA +10)	1,557 ft	2,742 ft	2,274 ft	3,411 ft
Hot day (ISA +20)	2,757 ft	2,976 ft	2,401 ft	3,601 ft
35°C afternoon	2,843 ft	2,992 ft	2,410 ft	3,615 ft

Planning aid only. Even on a 35°C afternoon the longest runway (15/33, 5,002 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,615 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 KASL is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KGGG East Texas Regional Airport	22 nm W	10,000 ft
KSHV Shreveport Regional Airport	25 nm E	8,348 ft
KDTN Shreveport Downtown Airport	29 nm E	5,016 ft
K3F3 C E 'Rusty' Williams Airport	38 nm SE	5,005 ft

04Jet A prices and FBOs at KASL

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

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