Koyukuk, Alaska
PFKU Koyukuk
Koyukuk (PFKU) is a non-towered, public-use airport in Koyukuk, Alaska, at 148.9 ft MSL. Its runway is 07/25 (4,000 by 75 ft, gravel). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO PFKU, FAA KYU
- Location
- Koyukuk, Alaska (Yukon-Koyukuk County). 0 NM W of the city center
- Elevation
- 148.9 ft MSL
- Position
- 64.8758° N, 157.7304° W
- Control tower
- No, non-towered
- Sectional chart
- Fairbanks
- Magnetic variation
- 11° E (2025)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 07/25 | 4,000 × 75 ft | Gravel, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 07 | Left traffic | 4-light PAPI, left | None listed | None listed | Not listed |
| 25 | Left traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief PFKU in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Koyukuk, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.