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3U9 Boulder

3U9 · Boulder, MT · elev 4,968 ft · TPA 6,000 ft MSL (≈1,000 AGL) · CTAF 122.9

skyready.app/airport/3u9 live weather · pattern · NOTAMs · TFRs

Frequencies

CTAF122.9
Guard121.5

Airport

Coordinates46°12.70'N 112°6.46'W
Mag var17E
ARTCCSALT LAKE CITY (ZLC)
FSSGREAT FALLS
NOTAM fileGTF
SectionalGREAT FALLS

Attended UNATNDD.

5,000 ftNMNxw 023°downwind 293°base 203°final 113°45° entry1129

RWY 11LEFT traffic

Heading
113° mag · 130° true
Dimensions
3,675 × 72 ft
TPA
6,000 ft MSL (≈1,000 AGL) · standard
Surface
Turf
CTAF
122.9

Enter the left downwind (heading 293°) on the 45° at 6,000 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
11/29113° / 293°3,675 × 72 ftTurf left