Troy

57S · Troy, MT · Non-towered · Print kneeboard · Open on the map

Elevation
2,017 ft MSL
Longest runway
3,570 ft 14/32
Runway
1
Mag var
19E

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Weather

METAR observed

No weather station at 57S. Nearby reporting stations: KSZT (28 NM), KCOE (56 NM), KTHM (60 NM).

TAF forecast

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Sun & FAA night2026-09-19 · night begins 08:19 PM
EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
06:54 AM12:54Z
Sunrise07:26 AM13:26Z
Sunset07:48 PM01:48Z
Evening civil twilight
Loggable night begins
08:19 PM02:19Z
Loggable night (§1.1)
08:19 PM → 06:54 AM
Night currency (§61.57)
08:48 PM → 06:26 AM

Plan a flight from 57S

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

5,000 ftNMNxw 050°downwind 320°base 230°final 140°45° entry1432

RWY 14LEFT traffic

Heading
140° mag · 159° true
Dimensions
3,570 × 30 ft
TPA
3,000 ft MSL (≈1,000 AGL) · standard
Surface
Asphalt
Displaced thr
825 ft
CTAF
122.9

Enter the left downwind (heading 320°) on the 45° at 3,000 ft MSL (≈1,000 AGL).

More details — RWY 14
Markings
nonstandard
Approach obstacle
Trees, 80 ft, 200 ft from threshold, 0 ft B of centerline

Condition: Poor.

Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for 57S → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 57S kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF
122.9

Source: FAA NASR (current 28-day cycle).

Prefer one flat list? All 57S frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
57S
Coordinates
48.4802, -115.9035
Elevation
2,017 ft MSL
Magnetic variation
19E
Sectional chart
GREAT FALLS
Airport use
Public
Control tower
No
ARTCC
SEATTLE (ZSE)
Flight service (FSS)
GREAT FALLS · 122.3 · 1-800-WX-BRIEF
NOTAM facility
GTF
Attendance
UNATNDD
Segmented circle
Yes
Wind indicator
yes
Activated
1940/04
Distance from city
1 NW

Night operations

Pilot-controlled lighting
Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance
Parking
tiedowns
Ownership & management 2 contacts
Owner
USFS
1437 N HIGHWAY 2, TROY, MT
406-295-4693
Manager
GLENN WHITFIELD
117 SNOWSHOE LANE, TROY, MT
406-334-7038
Remarks FAA · 13 notes

General

  • LGTD HELI ADJ TO SEGMENTED CIRCLE.
  • NO SNOW REMOVAL. ARPT SFC COND UNMON.
  • PEDESTRIAN WALKING TRAIL INVOF MOV AREA.
  • FOR CD CTC SEATTLE ARTCC AT 253-351-3694.

Runways

  • DTHR MKD WITH WHITE ARROWS.
  • DTHR MKD WITH WHITE ARROWS.
  • CRACKS, WEEDS, BROKEN ASPH.

Obstructions

  • +5-80 FT TREES WI PRI SFC BGN 25-200 FT FT FM RWY END BOTH SIDES.
  • +5 FT FENCE 13 FT FM RWY END BOTH SIDES.
  • CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH SLP 16:1 FM DTHR.
  • APCH SLP 13:1 FM DTHR.

Contact

  • LINCOLN COUNTY.
  • WINTER - 406-295-4693.

Nearby airports

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Also nearby: 31ID Thunder Ridge (private) (19 NM) · S59 Libby (20 NM) · 26ID Moose Lodge (private) (21 NM) · 65S Boundary County (21 NM) · ID78 Cx Ranch Nr 2 (private) (23 NM) · 00ID Delta Shores (private) (24 NM)

About 57S

Troy (57S) is an airport in Troy, MT, at 2,017 ft MSL. It has 1 runway, the longest 3,570 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 57S, refreshed from the Aviation Weather Center and FAA NASR.

Does 57S have a control tower?

No. Troy is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at 57S?

Troy has 1 runway; the longest is 3,570 ft. See the Runways section for headings, surface, and lighting.

Where is 57S?

Troy is in Troy, MT, at an elevation of 2,017 ft MSL. Coordinates: 48.4802, -115.9035.

More about 57S

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 57S in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

Something here wrong or out of date? Report a data problem.