KJSY · Joseph State Airport
Joseph State Airport serves Joseph, Oregon at 4,121 ft elevation with its longest runway, 15/33, at 5,202 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 |
|---|---|---|---|
| 15/33 | 5,202 × 60 ft | asphalt | lit |
02Density altitude and turboprop runway margins
Standard temperature at 4,121 ft is about 7°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, 7°C) | 4,121 ft | 3,242 ft | 2,545 ft | 3,817 ft |
| Warm day (ISA +10) | 5,321 ft | 3,476 ft | 2,671 ft | 4,007 ft |
| Hot day (ISA +20) | 6,521 ft | 3,710 ft | 2,798 ft | 4,197 ft |
| 35°C afternoon | 7,510 ft | 3,903 ft | 2,902 ft | 4,353 ft |
03Nearby fields with 5,000 ft or more
Useful as alternates, as fuel stops when the price at KJSY is high, or as the longer runway on a hot afternoon.
| Airport | Distance | Longest runway |
|---|---|---|
| KLGD La Grande/Union County Airport | 32 nm W | 6,261 ft |
| KBKE Baker City Municipal Airport | 39 nm SW | 5,084 ft |
| KMYL McCall Municipal Airport | 56 nm SE | 6,101 ft |
| KGIC Idaho County Airport | 59 nm NE | 5,100 ft |
| KLWS Lewiston Nez Perce County Airport | 62 nm N | 6,511 ft |
| KALW Walla Walla Regional Airport | 62 nm NW | 6,527 ft |
04Jet A prices and FBOs at KJSY
No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at KJSY, 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 KJSY or read what a fuel stop actually saves.