Reference only — not for real-world navigation.
KU81
Cold Meadows US Forest Service Airport · Warren
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
7,030 ft / 2,143 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.90 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
16/34 · 4,550 ft · GrassUNLITFlight Planning
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Welcome to the technical flight briefing for Cold Meadows US Forest Service Airport (KU81), located in Warren, 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 7,030 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
Cold Meadows US Forest Service Airport
ICAO / IATA
KU81 / —
Municipality
Warren
Country
Region
US-ID — Idaho
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
7,030 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 16 / 34
UNLIT
Runway Length: 4,550 ft / 1,387 m
Runway Width: 90 ft / 27 m
Surface Type: Grass
Heading: 180° / 360°
Runway Width: 90 ft / 27 m
Surface Type: Grass
Heading: 180° / 360°
RWY 16 (180°)
No ILS / Visual Only
RWY 34 (360°)
No ILS / Visual Only
CNTR SALT LAKE CITY CNTR
128.05 MHz
CTAF CTAF
122.90 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026