Wilder Runway Airport (PAKX), Alaska
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Wilder Runway (PAKX), also known by its local identifier 05K, serves Port Alsworth, Alaska with a single gravel strip and no on-field customs. The field is unattended, and the nearest customs point is Anchorage, roughly 140 nm away.
Runways
Wilder Runway Airport has one unpaved runway, 06R/24L, 3,849 ft long and 100 ft wide, with a gravel surface.
Source: FAA Form 5010.
Fuel and airfield services
Wilder Runway Airport has Jet A and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Wilder Runway Airport does not clear customs. The nearest port of entry is Ted Stevens Anchorage International (PANC), 140 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Wilder Runway Airport recorded 530 business aviation movements in 2025. Traffic peaks in September. Business aviation traffic at PAKX peaks in September, with June and July also seeing higher volumes than the rest of the year.
Business jet movements, FAA TFMSC count. Peak month September, 93 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Wilder Runway Airport averages 0.4 days above 90°F in July and 29.3 freeze days in March. July is the warmest month, with average highs of 67.0°F, and January the coldest, at 23.7°F.
Weather station is on the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Wilder Runway Airport has published operating constraints in three categories: access, runway notes and other notes.
Vehicle traffic crosses the approach end of runway 24L and is not visible from the other end.
The runway is unattended; a visual inspection prior to landing is recommended.
The runway surface is soft during spring.
Reflective cones outline one side of the runway; the ends are unmarked.
A separate, independently owned and operated 3,000-foot dirt-gravel runway lies a quarter mile north, parallel to runway 06R/24L.
The surface is gravel-dirt.
Winter maintenance is minimal.
Lake Clark weather cameras are available on the internet at https://weathercams.faa.gov.
All operations are conducted on CTAF.
This is a cold temperature airport; altitude correction is required at or below -18C.
Source: FAA Chart Supplement.
Nearby airfields
Wilder Runway Airport has two airfields within 33 NM. The closest is Port Alsworth (PALJ), 0.37 NM north.
Source: Skystar calculation from official coordinates.
Skystar at PAKX
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$600.00 catering order at PAKX.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
The $75 minimum applies below $862.50.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What runway surface does PAKX have?
PAKX has one runway, 06R/24L, measuring 3,849 by 100 feet with a gravel surface. It is unattended, so a visual inspection prior to landing is recommended, and the surface can be soft during spring.
Is fuel available at Wilder Runway?
Wilder Runway (PAKX) lists both 100LL and Jet A fuel types. The field is unattended, so fuel service should be confirmed independently before planning a stop.
Where is the nearest customs facility to PAKX?
The nearest customs facility to Wilder Runway (PAKX) is Anchorage (PANC), located approximately 140 nautical miles away. PAKX itself has no on-site customs processing.