Reference only — not for real-world navigation.
3U1
Warren USFS Airport · Warren
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
5,896 ft / 1,797 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
11/29 · 2,765 ft · DIRT-GUNLITFlight Planning
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Welcome to the technical flight briefing for Warren USFS Airport (3U1), 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 5,896 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
Warren USFS Airport
ICAO / IATA
3U1 / —
Municipality
Warren
Country
Region
US-ID — Idaho
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
5,896 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 11 / 29
UNLIT
Runway Length: 2,765 ft / 843 m
Runway Width: 50 ft / 15 m
Surface Type: DIRT-G
Heading: —° / —°
Runway Width: 50 ft / 15 m
Surface Type: DIRT-G
Heading: —° / —°
RWY 11
No ILS / Visual Only
RWY 29
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026