KOPL · St Landry Parish Ahart Field
St Landry Parish Ahart Field serves Opelousas, Louisiana at 75 ft elevation with its longest runway, 18/36, at 5,999 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 | 5,999 × 100 ft | concrete | lit |
| 06/24 | 4,051 × 100 ft | concrete (fair) | unlit |
02Density altitude and turboprop runway margins
Standard temperature at 75 ft is about 15°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, 15°C) | 75 ft | 2,453 ft | 2,118 ft | 3,177 ft |
| Warm day (ISA +10) | 1,275 ft | 2,687 ft | 2,245 ft | 3,367 ft |
| Hot day (ISA +20) | 2,475 ft | 2,921 ft | 2,371 ft | 3,557 ft |
| 35°C afternoon | 2,493 ft | 2,924 ft | 2,373 ft | 3,560 ft |
03Nearby fields with 5,000 ft or more
Useful as alternates, as fuel stops when the price at KOPL is high, or as the longer runway on a hot afternoon.
| Airport | Distance | Longest runway |
|---|---|---|
| 4R7 Eunice Airport | 18 nm W | 5,001 ft |
| KLFT Lafayette Regional Airport | 22 nm S | 8,000 ft |
| KACP Allen Parish Airport | 33 nm W | 5,000 ft |
| KARA Acadiana Regional Airport | 33 nm S | 8,002 ft |
| KHZR False River Regional Airport | 33 nm E | 5,003 ft |
| KIYA Abbeville Chris Crusta Memorial Airport | 35 nm S | 5,000 ft |
04Jet A prices and FBOs at KOPL
No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at KOPL, 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 KOPL or read what a fuel stop actually saves.