K3LF · Litchfield Municipal Airport

LITCHFIELD, ILLINOIS · SMALL AIRPORT

690

Elevation ft

Runways

4,003

Longest ft · 18/36

39.16N

89.67W

Litchfield Municipal Airport serves Litchfield, Illinois at 690 ft elevation with its longest runway, 18/36, at 4,003 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
18/36	4,003 × 75 ft	asphalt	lit
09/27	3,901 × 75 ft	asphalt	lit

02Density altitude and turboprop runway margins

Standard temperature at 690 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)	690 ft	2,573 ft	2,183 ft	3,274 ft
Warm day (ISA +10)	1,890 ft	2,807 ft	2,309 ft	3,464 ft
Hot day (ISA +20)	3,090 ft	3,041 ft	2,436 ft	3,654 ft
35°C afternoon	3,256 ft	3,073 ft	2,454 ft	3,680 ft

Planning aid only. Even on a 35°C afternoon the longest runway (18/36, 4,003 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,680 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 K3LF is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KALN St Louis Regional Airport	24 nm SW	8,099 ft
KSTL St. Louis Lambert International Airport	41 nm SW	11,020 ft
KSPI Abraham Lincoln Capital Airport	41 nm N	8,001 ft
KCPS St Louis Downtown Airport	42 nm SW	7,002 ft
KIJX Jacksonville Municipal Airport	45 nm NW	5,000 ft

04Jet A prices and FBOs at K3LF

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at K3LF, 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 K3LF or read what a fuel stop actually saves.

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