Incident Overview
Date: Thursday 12 August 1965
Aircraft Type: Curtiss C-46A-50-CU Commando
Owner/operator: Paraense Transportes Areos
Registration Number: PP-BTH
Location: near Barra do Bugres, MT –
ÿ Brazil
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 13 / Occupants: 13
Component Affected: No. 8 cylinder, left engineNo. 8 cylinder, left engine
Investigating Agency: CENIPACENIPA
Category: Accident
An aircraft experienced a catastrophic crash at Barra do Bugres due to a structural failure involving the No. 8 cylinder, left engine, resulting in a fire and subsequent crash.An aircraft experienced a catastrophic crash at Barra do Bugres due to a structural failure involving the No. 8 cylinder, left engine, resulting in a fire and subsequent crash.
Description
The aircraft departed Cuiab -Marechal Rondon Airport, at 06:21, for Porto Velho Airport with an IFR flight plan. At the outskirts of Barra do Bugres, about 30 minutes after takeoff, the aircraft turned back towards Cuiab with its left engine on fire. While over Buracao, its left wing and engine broke away from the fuselage and it crashed to the ground out of control. PROBABLE CAUSE: “The cause of the accident was a structural failure. Bolts of the No. 8 cylinder, left engine, fractured. Contributing factors were defective fire detection and fire extinguishing systems.”
Primary Cause
Structural failure involving the No. 8 cylinder, left engine, fractured bolts.Structural failure involving the No. 8 cylinder, left engine, fractured bolts.Share on:
