Incident Overview
Date: Thursday 15 June 1950
Aircraft Type: Curtiss C-46F-1-CU Commando
Owner/operator: Pan Am, lsf United States Air Force – USAF
Registration Number: N74170
Location: near Merida –
ÿ Mexico
Phase of Flight: Landing
Status: Destroyed, written off
Casualties: Fatalities: 0 / Occupants: 2
Component Affected: Second engine propellerSecond engine propeller
Category: Accident
A two-engine aircraft experienced a loss of control during a wheels-up landing near Merida, resulting in damage to the lower fuselage. A propeller separated, contacting the lower fuselage and impacting the main propeller. The incident was attributed to a master rod bearing failure and shaft failure of the second engine.A two-engine aircraft experienced a loss of control during a wheels-up landing near Merida, resulting in damage to the lower fuselage. A propeller separated, contacting the lower fuselage and impacting the main propeller. The incident was attributed to a master rod bearing failure and shaft failure of the second engine.
Description
The no. 2 propeller separated in-flight, cutting through the bottom of the fuselage and contacting the no. 1 prop. A wheels-up landing was carried out near Merida. It appeared the prop had failed following a master rod bearing failure and shaft failure of the no. 2 engine.
Primary Cause
Master rod bearing failure and shaft failure of the second engine.Master rod bearing failure and shaft failure of the second engine.Share on:
