KNRA · Coupeville Nolf Airport
Coupeville Nolf Airport serves Coupeville, Washington at 199 ft elevation with its longest runway, 14/32, at 5,400 by 200 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 |
|---|---|---|---|
| 14/32 | 5,400 × 200 ft | concrete | lit |
02Density altitude and turboprop runway margins
Standard temperature at 199 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) | 199 ft | 2,477 ft | 2,131 ft | 3,196 ft |
| Warm day (ISA +10) | 1,399 ft | 2,711 ft | 2,258 ft | 3,386 ft |
| Hot day (ISA +20) | 2,599 ft | 2,945 ft | 2,384 ft | 3,576 ft |
| 35°C afternoon | 2,647 ft | 2,954 ft | 2,389 ft | 3,584 ft |
03Nearby fields with 5,000 ft or more
Listed for reference only: KNRA is not a field to divert to or buy fuel at.
| Airport | Distance | Longest runway |
|---|---|---|
| KBVS Skagit Regional Airport | 19 nm NE | 5,480 ft |
| KAWO Arlington Municipal Airport | 19 nm E | 5,332 ft |
| KPAE Seattle Paine Field International Airport | 22 nm SE | 9,010 ft |
| KCLM William R Fairchild International Airport | 35 nm W | 6,347 ft |
| KBLI Bellingham International Airport | 36 nm N | 6,700 ft |
04Fuel and services at KNRA
There is no public FBO fuel to log at KNRA. JetDesk collects Jet A prices that pilots actually paid, at civil fields, and its route finder leaves military and private-use fields out of every ranking. Read what a fuel stop actually saves.