Reference only — not for real-world navigation.
K46U
Alpine Airport · Alpine
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
5,634 ft / 1,717 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.90 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
13/31 · 5,625 ft · AsphaltUNLITFlight Planning
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Welcome to the technical flight briefing for Alpine Airport (K46U), located in Alpine, 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 5,634 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
Alpine Airport
ICAO / IATA
K46U / —
Municipality
Alpine
Country
Region
US-WY — Wyoming
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
5,634 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 13 / 31
UNLIT
Runway Length: 5,625 ft / 1,715 m
Runway Width: 35 ft / 11 m
Surface Type: Asphalt
Heading: 143.5° / 323.5°
Runway Width: 35 ft / 11 m
Surface Type: Asphalt
Heading: 143.5° / 323.5°
RWY 13 (143.5°)
No ILS / Visual Only
RWY 31 (323.5°)
No ILS / Visual Only
CTAF CTAF
122.90 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026