Reference only — not for real-world navigation.
KNOW
Port Angeles Cgas Airport · Port Angeles
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
13 ft / 4 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 123.00 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
07/25 · 4,500 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Port Angeles Cgas Airport (KNOW), located in Port Angeles, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 13 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Port Angeles Cgas Airport
ICAO / IATA
KNOW / —
Municipality
Port Angeles
Country
Region
US-WA — Washington
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
13 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 07 / 25
LIGHTED
Runway Length: 4,500 ft / 1,372 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 94° / 274°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 94° / 274°
RWY 07 (94°)
No ILS / Visual Only
RWY 25 (274°)
No ILS / Visual Only
A/D WHIDBEY APP
118.20 MHz
CTAF CTAF
123.00 MHz
MISC PORT ANGELES AIR
127.70 MHz
MISC PORT ANGELES AIR
569.20 MHz
RDO SEATTLE RDO
122.60 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026