Reference only — not for real-world navigation.
KMLS
Miles City Airport - Frank Wiley Field · Miles City
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
2,630 ft / 802 m
Transition Altitude
18,000 ft
Primary Channel
RDO 122.20 MHz (GREAT FALLS RDO)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Miles City Airport - Frank Wiley Field (KMLS), located in Miles City, 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 2,630 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
Miles City Airport - Frank Wiley Field
ICAO / IATA
KMLS / MLS
Municipality
Miles City
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
2,630 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 04 / 22
LIGHTED
Runway Length: 5,680 ft / 1,731 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 52° / 232°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 52° / 232°
RWY 04 (52°)
No ILS / Visual Only
RWY 22 (232°)
No ILS / Visual Only
Runway 12 / 30
LIGHTED
Runway Length: 5,624 ft / 1,714 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 135° / 315°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 135° / 315°
RWY 12 (135°)
No ILS / Visual Only
RWY 30 (315°)
No ILS / Visual Only
ASOS ASOS
135.57 MHz
RDO GREAT FALLS RDO
122.20 MHz
UNIC CTAF/UNICOM
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026