KHSB · Harrisburg-Raleigh Airport

HARRISBURG, ILLINOIS · SMALL AIRPORT

398

Elevation ft

Runways

5,013

Longest ft · 06/24

37.81N

88.55W

Harrisburg-Raleigh Airport serves Harrisburg, Illinois at 398 ft elevation with its longest runway, 06/24, at 5,013 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
06/24	5,013 × 75 ft	asphalt	lit
14/32	2,764 × 75 ft	asphalt	lit

02Density altitude and turboprop runway margins

Standard temperature at 398 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)	398 ft	2,516 ft	2,152 ft	3,228 ft
Warm day (ISA +10)	1,598 ft	2,750 ft	2,279 ft	3,418 ft
Hot day (ISA +20)	2,798 ft	2,984 ft	2,405 ft	3,608 ft
35°C afternoon	2,894 ft	3,002 ft	2,415 ft	3,623 ft

Planning aid only. Even on a 35°C afternoon the longest runway (06/24, 5,013 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,623 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 KHSB is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KMWA Veterans Airport of Southern Illinois	22 nm W	8,012 ft
KTWT Sturgis Municipal Airport	33 nm SE	5,000 ft
KMDH Southern Illinois Airport	33 nm W	6,506 ft
KMVN Mount Vernon Outland Airport	34 nm NW	6,496 ft
KGDA Marion-Crittenden County James C Johnson Regional Airport	35 nm SE	5,001 ft
KEHR Henderson City County Airport	41 nm E	7,095 ft

04Jet A prices and FBOs at KHSB

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

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