Date:	Saturday 26 March 1955
Time:	11:12
Type:	Boeing 377 Stratocruiser 10-26
Owner/operator:	Pan American World Airways (Pan Am)
Registration:	N1032V
MSN:	15932/27
Year of manufacture:	1949
Total airframe hrs:	13655 hours
Engine model:	Pratt & Whitney R-4360-B6
Fatalities:	Fatalities: 4 / Occupants: 23
Aircraft damage:	Destroyed, written off
Category:	Accident
Location:	56 km W off Oregon, USA -   Pacific Ocean
Phase:	En route
Nature:	Passenger - Scheduled
Departure airport:	Portland International Airport, OR (PDX/KPDX)
Destination airport:	Honolulu International Airport, HI (HNL/PHNL)
Investigating agency:	CAB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
The no. 3 engine and propeller tore loose from the wing, causing severe control difficulties. The aircraft was eventually ditched 35 miles off the Oregon coast. The Boeing, named "Clipper United States", sank after 20 minutes in water of about 1600 m deep.

PROBABLE CAUSE: "Loss of control and inability to maintain altitude following failure of the no.3 propeller which resulted in wrenching free no.3 power package."

Aviation Disasters / D. Gero
ICAO Accident Digest Circular 50-AN/45 (92-96)

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