Reference only — not for real-world navigation.
KKLS
Southwest Washington Regional Airport · Kelso
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
20 ft / 6 m
Transition Altitude
18,000 ft
Primary Channel
FSS 122.25 MHz (SEATTLE RDO)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
12/30 · 4,391 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Southwest Washington Regional Airport (KKLS), located in Kelso, 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 20 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
Southwest Washington Regional Airport
ICAO / IATA
KKLS / KLS
Municipality
Kelso
Country
Region
US-WA — Washington
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
20 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 12 / 30
LIGHTED
Runway Length: 4,391 ft / 1,338 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 140° / 320°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 140° / 320°
RWY 12 (140°)
No ILS / Visual Only
RWY 30 (320°)
No ILS / Visual Only
AWOS AWOS 3
135.07 MHz
CNTR SEATTLE CNTR
124.20 MHz
FSS SEATTLE RDO
122.25 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026