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U46AIRPORT

BIG SOUTHERN BUTTE

ATOMIC CITY, Idaho

5,073 ft MSL

1

Runway

1

Frequency

0

Procedures

Quick Facts

FAA

U46

Elevation

5,073 ft MSL

Runways

1

Frequencies

1

Tower

No

Fuel

N/A

Coordinates

43.433, -113.055

Airport Information

Facility Type

AIRPORT

Elevation

5,073 ft MSL

Control Tower

No

CTAF

122.9 MHz

Fuel Types

None listed

Traffic Pattern

Not published

ARTCC

SALT LAKE CITY

Coordinates

43.4326, -113.0554

Ownership

Public

Hours of Operation

Current Weather

— — —Updated

Advisory only — not an official or legal weather briefing. The pilot in command is the final authority (14 CFR 91.3).

Nearby Weather Cameras

No camera at U46. Showing nearest cameras.

Situational awareness only — not for regulatory minimums

FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3

Weather camera at Notch Butte facing North

Notch Butte

North · Camera 1 · 4 cameras total

88 NM away

4 camera angles available

See all cameras, directions, and nearby airport cameras

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Source: FAA FAA Weather Cameras

Runways

IDEndsLengthWidthSurfaceLightsWeight BearingPCN
01/1901 / 192,600 ft110 ftDIRT---

Frequencies

CTAF (1)
TypeFrequencyNameCall SignUseHours
CTAF122.9BIG SOUTHERN BUTTE-CTAF-

Airport Remarks

  • 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.

Nearby airports & facilities

U46 Operational Overview

Location & Facility

BIG SOUTHERN BUTTE (U46) is a publicly owned airport open to the public located in ATOMIC CITY, Idaho, United States. The field sits at an elevation of 5,073 feet above mean sea level (MSL) at coordinates 43.4326°N, 113.0554°W.

Runways

BIG SOUTHERN BUTTE has 1 runway. The longest runway (01/19) measures 2,600 feet by 110 feet with a dirt surface.

Communications & Operations

BIG SOUTHERN BUTTE is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.

Weather Cameras

1 FAA Weather Camera is available near BIG SOUTHERN BUTTE, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.

Frequently Asked Questions

What is U46?

U46 is the FAA location identifier for BIG SOUTHERN BUTTE, a public-use airport, located in ATOMIC CITY, Idaho, United States.

How many runways does BIG SOUTHERN BUTTE have?

BIG SOUTHERN BUTTE (U46) has 1 runway. See the runway table above for dimensions and surface types.

What is the elevation of U46?

The field elevation of BIG SOUTHERN BUTTE is 5,073 feet above mean sea level (MSL). The FAA publishes this figure as ESTIMATED, not surveyed — use the current Chart Supplement for a survey-grade elevation.

Is fuel available at U46?

No fuel types are currently listed for BIG SOUTHERN BUTTE. Contact the FBO directly for availability.

What is the longest runway at U46?

The longest runway at BIG SOUTHERN BUTTE is 2,600 feet long.

How do I access complete data for U46?

Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for BIG SOUTHERN BUTTE.

Where is BIG SOUTHERN BUTTE located?

BIG SOUTHERN BUTTE (U46) is located in ATOMIC CITY, Idaho, United States, at an elevation of 5,073 ft MSL.

Does U46 have weather cameras?

U46 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.

Complete aviation intelligence for U46

Live weather, decoded NOTAMs, IFR procedures, AI briefings, and more. Included in every AeroCopilot plan from $9.99/month.

Source: FAA NASR (National Airspace System Resource) 28-Day Subscription· AIRAC 28-day cycle· Updated Aug 6, 10:04 AM UTC