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3U9
Boulder Airport
Official FAA Data Effective 2025-01-23 0901Z
Chart Supplement
AF/D
AF/D
VFR Chart of 3U9
Sectional Charts at SkyVector.com
IFR Chart of 3U9
Enroute Charts at SkyVector.com
Location Information for 3U9
Coordinates: N46°12.70' / W112°6.46'
Located 02 miles S of Boulder, Montana on 32 acres of land. View all Airports in Montana.
Estimated Elevation is 4968 feet MSL.
Operations Data
Airport Use:Open to the public
Activation Date:July 1963
Status:Operational
Control Tower:No
Seg-Circle:Yes
Beacon:None
Wind Indicator:Yes, Not Lighted
A.R.T.C.C.:SALT LAKE CITY
F.S.S.:GREAT FALLS
NOTAMs Facility:GTF (NOTAM-D available)
Sectional Chart:GREAT FALLS
AirspaceAnalysis:NO OBJECTION
Attendance:Unattended
Airport Communications
CTAF:122.900
ASOS at BTM (22.4 SW):135.175 406-494-1870
ASOS at HLN (24.1 N):120.4 406-443-4317
ATIS at HLN (24.3 N):120.4
Nearby Navigation Aids
IDNameFreqRadial / Range
VOD HIA WHITEHALL 113.70 349°21.2
VOT HLN HELENA 117.70 183°24.6
VOD CPN COPPERTOWN 116.05 051°28.8
VOD BZN BOZEMAN 112.40 285°47.4
IDNameFreqBearing / Range
VOD HAU HAUSER 386 033°25.9
Runway 11/29
Dimensions:3675 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 11Runway 29
Coordinates:N46°12.89' / W112°6.79'N46°12.51' / W112°6.12'
Elevation: 4968.0 4910.0
Traffic Pattern: Left
Runway Heading: 130° True 310° True
Markings:Non-Standard in good condition.Non-Standard in good condition.
Services Available
Fuel:NONE
Transient Storage:Tiedowns
Airframe Repair:NONE
Engine Repair:NONE
Bottled Oxygen:NONE
Bulk Oxygen:NONE
Ownership Information
Ownership:Publicly 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
Other Remarks
  • NO SNOW REMOVAL
  • NO PHONE ON AIRPORT.
  • -2 FT DRAINAGE DITCH +1 FT BERM WEST SIDE OF RY FULL LENGTH; 43 FT FM RY 11/29 CNTRLN.
  • FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
  • RY 11/29 THLDS & EDGES MARKED WITH WHITE CONES
Nearby Airports with Instrument Procedures
IDNameHeading / Distance
Bert Mooney Airport KBTM Bert Mooney Airport 226°22.4
Helena Regional Airport KHLN Helena Regional Airport 012°24.3
Deer Lodge-City-County Airport 38S Deer Lodge-City-County Airport 291°29.3
Bowman Field Airport 3U3 Bowman Field Airport 263°31.9
Ruby Valley Field Airport KRVF Ruby Valley Field Airport 191°41.4
Bozeman Yellowstone International Airport KBZN Bozeman Yellowstone International Airport 122°47.8
White Sulphur Springs Airport 7S6 White Sulphur Springs Airport 070°52.5
Ennis Big Sky Airport KEKS Ennis Big Sky Airport 160°59.4
Dillon Airport KDLN Dillon Airport 198°60.4
Mission Field Airport KLVM Mission Field Airport 113°76.0
Great Falls International Airport KGTF Great Falls International Airport 021°82.1
Stevensville Airport 32S Stevensville Airport 283°83.0