Reference only — not for real-world navigation.
KBPI
Miley Memorial Field · Big Piney
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
6,990 ft / 2,131 m
Transition Altitude
18,000 ft
Primary Channel
RDO 122.30 MHz (CASPER RDO)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Miley Memorial Field (KBPI), located in Big Piney, 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 6,990 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
Miley Memorial Field
ICAO / IATA
KBPI / BPI
Municipality
Big Piney
Country
Region
US-WY — Wyoming
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
6,990 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 13 / 31
LIGHTED
Runway Length: 6,803 ft / 2,074 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 147.7° / 327.7°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 147.7° / 327.7°
RWY 13 (147.7°)
No ILS / Visual Only
RWY 31 (327.7°)
No ILS / Visual Only
Runway 08 / 26
UNLIT
Runway Length: 3,300 ft / 1,006 m
Runway Width: 140 ft / 43 m
Surface Type: Grass
Heading: 92.5° / 272.5°
Runway Width: 140 ft / 43 m
Surface Type: Grass
Heading: 92.5° / 272.5°
RWY 08 (92.5°)
No ILS / Visual Only
RWY 26 (272.5°)
No ILS / Visual Only
ASOS ASOS
135.22 MHz
RDO CASPER RDO
122.30 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026