Reference only — not for real-world navigation.
KAAT
Alturas Municipal Airport · Alturas
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
4,378 ft / 1,334 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Alturas Municipal Airport (KAAT), located in Alturas, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 4,378 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
Alturas Municipal Airport
ICAO / IATA
KAAT / —
Municipality
Alturas
Country
Region
US-CA — California
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
4,378 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 13 / 31
LIGHTED
Runway Length: 4,301 ft / 1,311 m
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 148.4° / 328.4°
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 148.4° / 328.4°
RWY 13 (148.4°)
No ILS / Visual Only
RWY 31 (328.4°)
No ILS / Visual Only
Runway 03 / 21
LIGHTED
Runway Length: 2,935 ft / 895 m
Runway Width: 60 ft / 18 m
Surface Type: Asphalt
Heading: 46° / 226°
Runway Width: 60 ft / 18 m
Surface Type: Asphalt
Heading: 46° / 226°
RWY 03 (46°)
No ILS / Visual Only
RWY 21 (226°)
No ILS / Visual Only
ASOS ASOS
124.17 MHz
CNTR SEATTLE CNTR
127.60 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026