Big Southern Butte Airport

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Location

Latitude: 
 43-25-57.3000N (43.432583)
Longitude: 
 113-03-19.6000W (-113.055444)
Elevation: 
 5073.0 feet MSL (1546 m MSL)
Magnetic Variation: 
 11.7 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -7.0 (Standard Time)
UTC -6.0 (Daylight Savings Time)
From City: 
 10 N.M. W of Atomic City, Idaho
Found On: 
 Salt Lake City Chart
FAA Region: 
 ANM

Contacts

Manager: 
Publicly owned: 
IDAHO DIV OF AERONAUTICS
P O BOX 7129
BOISE, ID 83707-1129
208-334-8775		 IDAHO STAE-ITD/DIV OF AERONAUTICS
P O BOX 7129
BOISE, ID 83707-1129
208-334-8775

Operations

Airport Status: 
 Operational
Facility Use: 
 Public
Type: 
 Airport
Activation Date: 
 06/1951
Control tower: 
 No
Attendance (Months/Days/Hours): 
 Months/Days/Hours
Unattended
Boundary ARTCC: 
 ZLC (Salt Lake City)
Responsible ARTCC: 
 ZLC (Salt Lake City)
Segmented Circle Indicator: 
 Yes
Traffic Pattern Altitude (MSL): 
 6073 feet (1851 m)
NOTAMs Facility: 
 BOI
NOTAM-D Service: 
 Yes
International Airport of Entry: 
 No
Customs Landing Rights: 
 No

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.900

       

    Fixed Based Operators (FBOs) & Fuel

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    Area Code: 208
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    Flight Service Stations

    Primary Alternate
    FSS on Field:  N
    FSS Name (ID):  Boise(BOI)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near U46

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    15.9 Arco-Butte County Airport
    (KAOC AOC)    		 310 298 100LL
    33.6 Mccarley Field Airport
    (U02)    		 113 102 100LL
    37.3 Pocatello Regional Airport
    (PIH KPIH PIH)    		 147 136 100LL, Jet A-1, Jet A-1+
    39.4 Savage Field Airport
    (U01)    		 165 154 100LL
    43.1 Idaho Falls Regional Airport
    (IDA KIDA IDA)    		 83 72 100LL, Jet A-1
    50.6 Rigby Airport
    (U56)    		 75 64 100LL
    54.2 Friedman Meml Airport
    (SUN KSUN SUN)    		 274 262 100LL, Jet A-1+
    59.4 Rexburg-Madison County Airport
    (KRXE RXE)    		 65 54 100LL, Jet A
    62.0 Burley Municipal Airport
    (BYI KBYI BYI)    		 210 198 100LL, Jet A
    67.1 Stanford Field Airport
    (U12)    		 61 50 100LL, Jet A
    74.6 Jerome County Airport
    (KJER JER)    		 235 223 100LL, Jet A, Jet A+
    79.9 Allen H Tigert Airport
    (U78)    		 125 114 100LL
    81.0 Gooding Municipal Airport
    (GNG KGNG GNG)    		 248 236 100LL, Jet A
    82.5 Challis Airport
    (CHL KLLJ LLJ)    		 322 310 100, Jet A
    82.9 Malad City Airport
    (MLD KMLD MLD)    		 155 144 100LL
    84.9 Joslin Field/Magic Valley Regional Airport
    (TWF KTWF TWF)    		 228 216 100LL, Jet A-1+
    87.4 Driggs/Reed Meml Airport
    (KDIJ DIJ)    		 76 65 100LL, Jet A+
    91.5 Buhl Municipal Airport
    (U03)    		 237 225 100LL, MOGAS
    93.7 Stanley Airport
    (2U7)    		 300 288 100LL
    94.1 Preston Airport
    (U10)    		 147 136 100LL

    Notices to Airmen (NOTAMS)

    NOTAMs

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    NM of U46

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    Remarks

    A110-1 NO WINTER MAINTENANCE.
    A110-2 LIVESTOCK ON & INVOF ARPT.
    A110-3 RWY 01/19 SFC COND POOR DUE TO LIVESTOCK DMG, GND VEHICLES, RODENTS, & VEGETATION.
    A110-4 RY 01/19 +1.5 FT BERM & -1 FT DITCH ADJACENT TO ENTIRE PERIMETER OF RY.
    A110-5 FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
    A110-6 APRT LCTD IN DESOLATE AREA - NO SVCS AVBL.
    A42-01 01/19 EDGES & THLDS MKD WITH WHITE ROCK BOUNDARY MKRS (BMS).
    A52-19 14 FT RD 150 FT ON EXTDD CNTRLN.
    E111 EXISTED PRIOR TO 15 MAY 1959.

    Runways

    Runway Summary

    Runways: 01/19
    Longest Runway: 01/19 is 2600 ft (792 m) long
    Runways with an Instrument Approach:

    U46 Airport Runway Details

    Runway 01/19  2600 ft x 110 ft (792 m x 34 m)
    Surface:  Dirt - Fair condition - No special surface treatment

    Runway 01

    Runway 19
    Latitude: 
    		 43-25-46.1600N 43-26-08.5100N
    Longitude: 
    		 113-03-28.2400W 113-03-10.8700W
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Traffic Pattern: 
    		 Left Left
    Object at End: 
    		 ROAD
    Object Height: 
    		 14
    Distance from End: 
    		 0
    Object Centerline Offset: 
    		 100 ft. left of centerline

    Services

    Airframe Repair: 
    		 Minor
    Powerplant Repair: 
    		 Minor
    Bottled Oxygen: 
    		 None
    Bulk Oxygen: 
    		 None
    Fuel Available: 
    		 100LL
    Landing Fees: 
    		 No
    Parking: 
    		 Tiedowns available

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    Maps & Diagrams

    U46 Sectional

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    U46 Diagram


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