Port Angeles Cgas Airport (KNOW), Washington
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
KNOW, also known as Port Angeles CGAS, is a private-use military airfield on the Olympic Peninsula in Port Angeles, Washington, operated by the U.S. Coast Guard. The field sits at 13 feet elevation and offers a single paved 08/26 runway of 4,500 feet alongside a short helipad, with the nearest customs facility located at Fairchild International Airport roughly 3.66 nautical miles away. Business aviation activity here is minimal, reflecting the field's restricted, mission-specific role rather than general civil traffic.
Runways
Port Angeles Cgas Airport has one paved runway, 08/26, 4,500 ft long and 150 ft wide, with an asphalt surface.
Helipads and surfaces under 500 ft are excluded.
Source: FAA Form 5010.
Fuel and airfield services
Fueling is available 24 hours a day, every day, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Port Angeles Cgas Airport does not clear customs. The nearest port of entry is William R Fairchild International (KCLM), 4 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Port Angeles Cgas Airport recorded 3 business aviation movements in 2025. Traffic peaks in July, September and December. Recorded business aviation traffic at KNOW is sparse and concentrated in July, September, and December, with no activity logged in the other months of 2025.
Business jet movements, FAA TFMSC count. Peak month July, 1 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Port Angeles Cgas Airport averages 0.2 days above 90°F in July, 7.8 freeze days in January and 0.2 snow days in December. August is the warmest month, with average highs of 67.4°F, and December the coldest, at 44.4°F.
Weather station is on the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Port Angeles Cgas Airport has published operating constraints in three categories: access, environmental and other notes.
Restricted: closed to non-Coast Guard aircraft without a 24-hour prior permission request. Contact the airfield for PPR arrangements.
Restricted: a 24-hour prior permission request is required for all transient aircraft.
For clearance delivery, contact Whidbey Approach.
Birds are present on the runway year-round. Buildings are located as close as 126 feet from the runway centerline.
Contact Port Angeles Air on 345.0 or 127.7, 15 minutes prior to landing.
Fuel: JP-8 is available, restricted to search-and-rescue and Coast Guard mission aircraft only.
Transient alert: transient quarters are not available.
Source: FAA Chart Supplement.
Nearby airfields
Port Angeles Cgas Airport has five airfields within 31 NM. The closest is William R Fairchild International (KCLM), 3.66 NM west.
Part of the Seattle area.
Source: Skystar calculation from official coordinates.
Skystar at KNOW
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.
$1,200.00 catering order at KNOW.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
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 is the customs access situation at KNOW?
Port Angeles CGAS (KNOW) has no customs presence onsite. The nearest customs facility is Fairchild International Airport, located approximately 3.66 nautical miles away. Dispatchers routing international arrivals through KNOW should plan customs clearance through that nearby field instead.
Can transient civil aircraft use Port Angeles CGAS?
Port Angeles CGAS (KNOW) is closed to non-Coast Guard aircraft without a 24-hour prior permission request, and all transient aircraft, including Coast Guard traffic, require a 24-hour PPR before arrival. This is a military aircraft only field in practical terms for uncoordinated visits. Operators should arrange PPR well ahead of any planned movement.
Is fuel available at KNOW?
Fuel at Port Angeles CGAS is limited to JP-8, and it is restricted to search-and-rescue and Coast Guard mission aircraft only. General transient or business aviation traffic cannot access fuel at this field. Dispatchers should plan fuel stops at a nearby airport such as Fairchild International.
What runway options does KNOW offer?
KNOW, Port Angeles CGAS, has one paved runway, 08/26, measuring 4,500 feet long and 150 feet wide with an asphalt surface. A separate short asphalt helipad, designated H1, measures 100 feet by 100 feet. Birds are present on the runway year-round, and nearby buildings sit as close as 126 feet from the runway centerline.