KGDK · Greene County/Lewis A. Jackson Regional Airport

DAYTON, OHIO · SMALL AIRPORT

949

Elevation ft

Runway

5,004

Longest ft · 07/25

39.69N

83.99W

Greene County/Lewis A. Jackson Regional Airport serves Dayton, Ohio at 949 ft elevation with its longest runway, 07/25, at 5,004 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
07/25	5,004 × 75 ft	asphalt (fair)	lit

02Density altitude and turboprop runway margins

Standard temperature at 949 ft is about 13°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, 13°C)	949 ft	2,623 ft	2,210 ft	3,315 ft
Warm day (ISA +10)	2,149 ft	2,857 ft	2,337 ft	3,505 ft
Hot day (ISA +20)	3,349 ft	3,091 ft	2,463 ft	3,695 ft
35°C afternoon	3,577 ft	3,136 ft	2,487 ft	3,731 ft

Planning aid only. Even on a 35°C afternoon the longest runway (07/25, 5,004 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,731 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 KGDK is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KSGH Springfield-Beckley Municipal Airport	11 nm NE	9,010 ft
KMGY Dayton-Wright Brothers Airport	12 nm SW	5,000 ft
KDAY James M. Cox Dayton International Airport	16 nm NW	10,901 ft
KILN Wilmington Airpark	18 nm SE	10,701 ft
KMWO Middletown Regional Airport	21 nm SW	6,100 ft

04Jet A prices and FBOs at KGDK

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

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