KGTU · Georgetown Executive Airport at Johnny Gantt Field
Georgetown Executive Airport at Johnny Gantt Field serves Georgetown, Texas at 790 ft elevation with its longest runway, 18/36, at 5,004 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 |
|---|---|---|---|
| 18/36 | 5,004 × 100 ft | asphalt | lit |
| 11/29 | 4,099 × 75 ft | asphalt | lit |
02Density altitude and turboprop runway margins
Standard temperature at 790 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) | 790 ft | 2,592 ft | 2,193 ft | 3,290 ft |
| Warm day (ISA +10) | 1,990 ft | 2,826 ft | 2,320 ft | 3,480 ft |
| Hot day (ISA +20) | 3,190 ft | 3,060 ft | 2,447 ft | 3,670 ft |
| 35°C afternoon | 3,380 ft | 3,097 ft | 2,467 ft | 3,700 ft |
03Nearby fields with 5,000 ft or more
Useful as alternates, as fuel stops when the price at KGTU is high, or as the longer runway on a hot afternoon.
| Airport | Distance | Longest runway |
|---|---|---|
| KEDC Austin Executive Airport | 18 nm S | 6,025 ft |
| KILE Skylark Field | 25 nm N | 5,495 ft |
| KAUS Austin Bergstrom International Airport | 29 nm S | 12,250 ft |
| KBMQ Burnet Municipal Airport/Kate Craddock Field | 29 nm W | 5,001 ft |
| KTPL Draughon Miller Central Texas Regional Airport | 32 nm NE | 7,000 ft |
04Jet A prices and FBOs at KGTU
No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at KGTU, 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 KGTU or read what a fuel stop actually saves.