Troy, Montana

57S Troy

Troy (57S) is a non-towered, public-use airport in Troy, Montana, at 2,017 ft MSL. Its runway is 14/32 (3,570 by 30 ft, asphalt). Right traffic for runway 32. CTAF 122.9.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
FAA 57S
Location
Troy, Montana (Lincoln County). 1 NM NW of the city center
Elevation
2,017 ft MSL
Position
48.4802° N, 115.9035° W
Control tower
No, non-towered
Sectional chart
Great Falls
Magnetic variation
19° E (1985)
Ownership
Publicly owned, open to the public
Attendance
Unattended

1 runway

Runways

RunwayLength × widthSurfaceEdge lights
14/323,570 × 30 ftAsphalt, poor conditionNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
14Left trafficNone listedNone listed825 ftNot listed
32Right trafficNone listedNone listed780 ftNot listed

VHF

Frequencies

CTAF
122.9

Before you go

Brief 57S in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Troy, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.