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Last updated: 14 December 2018
Status:Schlussbericht
Datum:Samstag 26 März 1955
Zeit:11:12 PST
Flugzeugtyp:Boeing 377 Stratocruiser 10-26
Fluggesellschaft:Pan American World Airways (Pan Am)
Kennzeichen: N1032V
Werknummer: 15932/27
Baujahr: 1949-04-30 (5 years 11 months)
Betriebsstunden:13655
Triebwerk: 4 Pratt & Whitney R-4360-B6
Besatzung:Todesopfer: 2 / Insassen: 8
Fluggäste:Todesopfer: 2 / Insassen: 15
Gesamt:Todesopfer: 4 / Insassen: 23
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:56 km (35 Meilen) W vom Land entfernt von Oregon, USA (   Pacific Ocean)
Flugphase: Während des Fluges (ENR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Portland International Airport, OR (PDX/KPDX), USA
Flug nach:Honolulu International Airport, HI (HNL/PHNL), USA
Unfallbericht:
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:

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."

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


Sicherheitsempfehlungen
The Civil Aeronautics Administration issued an advisory that Stratocruiser hollow steel propeller blades be replaced with solid metal blades.

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Portland International Airport, OR to Honolulu International Airport, HI as the crow flies is 4159 km (2599 miles).
Accident location: Exact; as reported in the official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Boeing 377

  • 56 built
  • 4th loss
  • 4th Fataler Unfall
  • 3rd worst accident (Zu diesem Zeitpunkt)
  • 5th worst accident (Momentan)
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 Pacific Ocean
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  • 82nd worst accident (Momentan)
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