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Big Southern Butte Airport

U46 · Blackfoot, ID · 5,073 ft elevation · var 16E · Towered

Airport information

FAA LID
U46
Coordinates
43.4325, -113.0556
Elevation
5,073 ft MSL
Magnetic variation
16E
Sectional chart
SALT LAKE CITY
Airport use
Public
Control tower
Yes
ARTCC
SALT LAKE CITY (ZLC)
Flight service (FSS)
BOISE
NOTAM facility
BOI
Attendance
UNATNDD
Segmented circle
Yes
Wind indicator
yes
Activated
1951/06
Distance from city
10 W

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
05:15 AM11:15Z
Sunrise05:51 AM11:51Z
Sunset09:16 PM03:16Z
Evening civil twilight
Loggable night begins
09:52 PM03:52Z
Loggable night (§1.1)
09:52 PM → 05:15 AM
Night currency (§61.57)
10:16 PM → 04:51 AM

Plan a flight from U46

Runway 01/19

2,600 ft × 110 ft · Dirt (Fair)
01
Heading
n/a
Traffic pattern
Left
19
Heading
n/a
Traffic pattern
Left

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
PIH · PocatelloVORTAC112.60r315° / 38.1 NM

Chart Supplement FAA A/FD

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Preview Chart Supplement Open the Chart Supplement PDF

Services

Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
NONE
Powerplant service
NONE
Parking
tiedowns

Ownership & management

Owner
IDAHO STAE-ITD/DIV OF AERONAUTICS
P O BOX 7129, BOISE, ID
208-334-8775
Manager
IDAHO DIV OF AERONAUTICS
P O BOX 7129, BOISE, ID
208-334-8775

Remarks FAA

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

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open U46 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.