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MT81 Petty Creek Mountain Ranch

MT81 · Alberton, MT · elev 3,519 ft · TPA 4,500 ft MSL (≈1,000 AGL) · Nontowered

skyready.app/airport/mt81 live weather · pattern · NOTAMs · TFRs

Frequencies

Guard121.5

Airport

Coordinates46°54.57'N 114°27.92'W
ARTCCSALT LAKE CITY (ZLC)
FSSGREAT FALLS
SectionalGREAT FALLS
5,000 ftNxw 256°downwind 346°base 076°final 166°45° entry1634

RWY 16RIGHT trafficRP · charted

Heading
166° true
Dimensions
2,138 × 25 ft
TPA
4,500 ft MSL (≈1,000 AGL) · standard
Surface
TURF-DIRT

Enter the right downwind (heading 346°) on the 45° at 4,500 ft MSL (≈1,000 AGL).

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

Traffic pattern for the primary runway, drawn on its FAA charted side.

TFRs within 30 nm

Checking for TFRs…

Runways

RunwayHeadingsSizeSurface · lightsPatternILS
16/342,138 × 25 ftTurf 16 RIGHT