Portland – Pendleton – Boise – Denver

On the non stop leg from Boise to Denver, while flying by night and poor visibility, the aircraft hit the slope of Mt Elk located southeast of Elk Mountain, south Wyoming. The wreckage was found few hours later in a deep snow and in poor weather conditions, about 340 feet from the summit. The aircraft was destroyed by impact forces and all 21 occupants were killed. At the time of the accident, the aircraft deviated from the prescribed flight path by 4,5 miles and its altitude was 11,000 feet.

Flight / Schedule

Portland – Pendleton – Boise – Denver

Aircraft

Douglas DC-3

Registration

NC25675

MSN

2147

Year of Manufacture

1939

Operator

United Airlines

Date

January 31, 1946 at 02:47 AM

Type

CRASH

Flight Type

Scheduled Revenue Flight

Flight Phase

Flight

Crash Site

Mountains

Crash Location

Elk Mountain Wyoming

Region

North America • United States of America

Coordinates

41.6333°, -106.5264°

Crash Cause

Human factor

Narrative Report

On January 31, 1946 at 02:47 AM, Portland – Pendleton – Boise – Denver experienced a crash involving Douglas DC-3, operated by United Airlines, with the event recorded near Elk Mountain Wyoming.

The flight was categorized as scheduled revenue flight and the reported phase was flight at a mountains crash site.

21 people were known to be on board, 21 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 3, crew fatalities: 3, passengers on board: 18, passenger fatalities: 18, other fatalities: 0.

The listed crash cause is human factor. On the non stop leg from Boise to Denver, while flying by night and poor visibility, the aircraft hit the slope of Mt Elk located southeast of Elk Mountain, south Wyoming. The wreckage was found few hours later in a deep snow and in poor weather conditions, about 340 feet from the summit. The aircraft was destroyed by impact forces and all 21 occupants were killed. At the time of the accident, the aircraft deviated from the prescribed flight path by 4,5 miles and its altitude was 11,000 feet.

Aircraft reference details include registration NC25675, MSN 2147, year of manufacture 1939.

Geospatial coordinates for this crash are approximately 41.6333°, -106.5264°.

Fatalities

Total

21

Crew

3

Passengers

18

Other

0

Crash Summary

On the non stop leg from Boise to Denver, while flying by night and poor visibility, the aircraft hit the slope of Mt Elk located southeast of Elk Mountain, south Wyoming. The wreckage was found few hours later in a deep snow and in poor weather conditions, about 340 feet from the summit. The aircraft was destroyed by impact forces and all 21 occupants were killed. At the time of the accident, the aircraft deviated from the prescribed flight path by 4,5 miles and its altitude was 11,000 feet.

Cause: Human factor

Occupants & Outcome

Crew On Board

3

Passengers On Board

18

Estimated Survivors

0

Fatality Rate

100.0%

Known people on board: 21

Operational Details

Schedule / Flight

Portland – Pendleton – Boise – Denver

Operator

United Airlines

Flight Type

Scheduled Revenue Flight

Flight Phase

Flight

Crash Site

Mountains

Region / Country

North America • United States of America

Aircraft Details

Aircraft

Douglas DC-3

Registration

NC25675

MSN

2147

Year of Manufacture

1939