AirNav: U46 - Big Southern Butte Airport

U46

Big Southern Butte Airport
Atomic City, Idaho, USA

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FAA INFORMATION EFFECTIVE 06 AUGUST 2026

Location

FAA Identifier:	U46
Lat/Long:	43-25-57.3000N 113-03-19.6000W 43-25.955000N 113-03.326667W 43.4325833,-113.0554444 (estimated)
Elevation:	5073 ft. / 1546 m (estimated)
Variation:	16E (1985)
From city:	10 miles W of ATOMIC CITY, ID
Time zone:	UTC -6 (UTC -7 during Standard Time)
Zip code:	83213

Airport Operations

Airport use:	Open to the public
Activation date:	06/1951
Control tower:	no
ARTCC:	SALT LAKE CITY CENTER
FSS:	BOISE FLIGHT SERVICE STATION
NOTAMs facility:	BOI (NOTAM-D service available)
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	yes

Airport Communications

CTAF:

122.9

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
PIHr315/38.1		POCATELLO VOR/DME		112.60		17E

Airport Services

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

Runway Information

Runway 1/19

Dimensions:	2600 x 110 ft. / 792 x 34 m
Surface:	dirt, in fair condition
Runway edge markings:	01/19 EDGES & THLDS MKD WITH WHITE ROCK BOUNDARY MKRS (BMS).
	RUNWAY 1	RUNWAY 19
Latitude:	43-25.769333N	43-26.141833N
Longitude:	113-03.470667W	113-03.181167W
Traffic pattern:	left	left
Obstructions:	none	14 ft. road, 100 ft. left of centerline 14 FT RD 150 FT ON EXTDD CNTRLN.

Airport Ownership and Management from official FAA records

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

Additional Remarks

-	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.

Instrument Procedures

There are no published instrument procedures at U46.

Some nearby airports with instrument procedures:

KAOC - Arco-Butte County Airport (16 nm NW)
U02 - McCarley Field Airport (34 nm SE)
KPIH - Pocatello Regional Airport (37 nm SE)
KIDA - Idaho Falls Regional Airport (43 nm E)
KSUN - Friedman Memorial Airport (54 nm W)

Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes

Area around U46 (Big Southern Butte Airport)

Road maps at: MapQuest Bing Google

Aerial photo
WARNING: Photo may not be current or correct Photo by Winston Ellis Photo taken 30-Jun-2019 looking south. Do you have a better or more recent aerial photo of Big Southern Butte Airport that you would like to share? If so, please send us your photo.

Sectional chart

Airport distance calculator
Flying to Big Southern Butte Airport? Find the distance to fly. From to U46

Sunrise and sunset

Times for 11-Aug-2026

	Local (UTC-6)	Zulu (UTC)
Morning civil twilight	06:02	12:02
Sunrise	06:34	12:34
Sunset	20:41	02:41
Evening civil twilight	21:12	03:12

Current date and time

Zulu (UTC)	11-Aug-2026 08:38:21
Local (UTC-6)	11-Aug-2026 02:38:21

METAR

KPIH 38nm SE	110753Z AUTO 21009KT 10SM CLR 24/00 A3005 RMK AO2 SLP114 T02390000
KIDA 43nm E	110753Z AUTO 20010KT 10SM FU CLR 21/04 A3007 RMK AO2 SLP123 T02110044

TAF

KPIH 38nm SE	110520Z 1106/1206 19010KT P6SM BKN200 FM110900 22006KT P6SM BKN200 FM111800 26010G20KT P6SM BKN150 FM120200 24010KT P6SM BKN130
KIDA 43nm E	110520Z 1106/1206 20010KT P6SM BKN200 FM111000 VRB05KT P6SM BKN200 FM111900 21010G20KT P6SM BKN150 FM120200 19010KT P6SM BKN120

NOTAMs

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