Reference only — not for real-world navigation.
K57S
Troy Airport · Troy
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
2,017 ft / 615 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.90 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
14/32 · 3,570 ft · AsphaltUNLITFlight Planning
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Welcome to the technical flight briefing for Troy Airport (K57S), located in Troy, 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 2,017 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
Troy Airport
ICAO / IATA
K57S / —
Municipality
Troy
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
2,017 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 14 / 32
UNLIT
Runway Length: 3,570 ft / 1,088 m
Runway Width: 30 ft / 9 m
Surface Type: Asphalt
Heading: 158° / 338°
Runway Width: 30 ft / 9 m
Surface Type: Asphalt
Heading: 158° / 338°
RWY 14 (158°)
No ILS / Visual Only
RWY 32 (338°)
No ILS / Visual Only
CTAF CTAF
122.90 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026