3U9 -- Boulder

Boulder, MT, US

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Airport Communications

CTAF: 122.9
ASOS at BTM (22.4 SW): 135.175, 406-494-1870
ASOS at HLN (24.1 N): 120.4, 406-290-3397
AWOS-AV at 38S (29.4 W): 120.025, 406-846-1177
AWOS-3PT at 3U3 (31.8 W): 124.175, 406-563-8275

Runways

Runway 11/29

Dimensions3675 x 72 feet / 1120 x 22 meters
Surface Turf / in Fair Condition
HAS 1% TO 3% UPHILL GRADIENT FROM RY 29 END TO RY 11 END.
Runway 11 Runway 29
Coordinates N46°12.89' / W112°6.79'N46°12.51' / W112°6.12'
Elevation 49684910
Traffic Pattern LeftLeft
Runway Heading 130° True310° True
Markings Non-Standard in good conditionNon-Standard in good condition
Approach Lights

Facility Information

Location

CoordinatesN46°12.70' / W112°6.46'
LocationLocated 2 miles S of Boulder, MT. on 32 acres of land.
Elevation4968 feet MSL
Magnetic Variation17° E

Operations

Airport UseOpen to the public
Activation DateJuly 1963
StatusOperational
Control TowerYes
Seg-CircleYes
Wind IndicatorYes
A.R.T.C.C.SALT LAKE CITY
F.S.S.GREAT FALLS
NOTAMs FacilityGTF (NOTAM-D available)
Sectional ChartGREAT FALLS
Airspace AnalysisNO OBJECTION
AttendanceUNATNDD

Ownership

OwnershipPublicly owned
Owner
TWN OF BOULDER & JEFFERSON CO
COUNTY COURTHOUSE BOX H
BOULDER, MT 59632
406-225-4025
Manager
AL MARTINI
PO BOX 2
BOULDER, MT 59632
(406) 431-7519

Services Available

Transient StorageTiedowns

Remarks

  • No snow removal
  • No phone on airport.
  • -2 ft drainage ditch +1 ft berm west side of runway full length; 43 ft from runway 11/29 centerline.
  • For clearance delivery contact helena approach at 406-449-5756/5761, when approach control is closed contact salt lake ARTCC at 801-320-2568.