57S Troy Airport
57S · Troy, MT · elev 2,017 ft · TPA 3,000 ft MSL (≈1,000 AGL) · CTAF 122.9
skyready.app/airport/57s live weather · pattern · NOTAMs
Frequencies
| CTAF | 122.9 |
|---|---|
| Guard | 121.5 |
Airport
| Coordinates | 48°28.81'N 115°54.24'W |
|---|---|
| Mag var | 19E |
| ARTCC | SEATTLE (ZSE) |
| FSS | GREAT FALLS |
| NOTAM file | GTF |
| Sectional | GREAT FALLS |
Attended UNATNDD.
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).
Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Traffic pattern for the primary runway, drawn on its FAA charted side.
Runways
| Runway | Headings | Size | Surface · lights | Pattern | ILS |
|---|---|---|---|---|---|
| 14/32 | 139° / 319° | 3,570 × 30 ft | Asphalt | 32 RIGHT | — |