K54J · Defuniak Springs Airport

DEFUNIAK SPRINGS, FLORIDA · SMALL AIRPORT

289

Elevation ft

Runways

4,146

Longest ft · 09/27

30.73N

86.15W

Defuniak Springs Airport serves Defuniak Springs, Florida at 289 ft elevation with its longest runway, 09/27, at 4,146 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
09/27	4,146 × 60 ft	asphalt	lit
18/36	2,700 × 60 ft	graded earth	unlit

02Density altitude and turboprop runway margins

Standard temperature at 289 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)	289 ft	2,494 ft	2,140 ft	3,211 ft
Warm day (ISA +10)	1,489 ft	2,728 ft	2,267 ft	3,401 ft
Hot day (ISA +20)	2,689 ft	2,962 ft	2,394 ft	3,591 ft
35°C afternoon	2,758 ft	2,976 ft	2,401 ft	3,601 ft

Planning aid only. Even on a 35°C afternoon the longest runway (09/27, 4,146 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,601 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 K54J is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KCEW Bob Sikes Airport	19 nm W	8,006 ft
KDTS Destin Executive Airport	26 nm SW	5,001 ft
KECP Northwest Florida Beaches International Airport	29 nm SE	10,000 ft
KBCR Tri-County Airport	29 nm E	5,398 ft

04Jet A prices and FBOs at K54J

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at K54J, 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 K54J or read what a fuel stop actually saves.

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