Troy Airport
57S · Troy, MT · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:53 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:46 AM | 11:46Z |
| Sunrise | 06:22 AM | 12:22Z |
| Sunset | 09:17 PM | 03:17Z |
| Evening civil twilight Loggable night begins | 09:53 PM | 03:53Z |
Plan a flight from 57S
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 14LEFT traffic
- Heading
- 139° mag · 158° 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 319°) 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
Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 3,570 ft |
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
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All 57S frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 57S
- Coordinates
- 48.4802, -115.9040
- 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
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 Airport (private) (19 NM) · S59 Libby Airport (20 NM) · 26ID Moose Lodge Airport (private) (21 NM) · 65S Boundary County Airport (21 NM) · ID78 CX Ranch Number 2 Airport (private) (23 NM) · 00ID Delta Shores Airport (private) (24 NM)
About 57S
Troy Airport (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 Airport 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 Airport has 1 runway; the longest is 3,570 ft. See the Runways section for headings, surface, and lighting.
Where is 57S?
Troy Airport is in Troy, MT, at an elevation of 2,017 ft MSL. Coordinates: 48.4802, -115.9040.
Fly out of 57S often?
Save 57S as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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.