Aviation safety investigations & reports

Beechcraft 95-B55 Baron, VH-EHN, Brewarrina NSW, 9 November 1987

Investigation number:
198702436
Status: Completed
Investigation completed

Summary

Download Final Report
[Download  PDF: 22KB]
 

The pilot reported that as full power was applied on the take-off run, he heard a loud bang and the aircraft yawed to the right. He shut down the right engine and brought the aircraft to a stop. Initial inspection revealed that the right propeller assembly had failed at the hub. One blade had separated from the hub and struck the nose section of the aircraft. It was determined that the hub had failed from fatigue which had originated at the root of the blade retention thread. It was estimated that the fatigue crack had propagated over about 900 engine start cycles, and had occurred at some time after a regular inspection to check for this type of cracking.

Download Final Report
[Download  PDF: 22KB]
 
 
 
General details
Date: 09 November 1987   Investigation status: Completed  
Time: 1527 ESuT    
Location: Brewarrina    
State: New South Wales   Occurrence type: Propeller/rotor malfunction  
Release date: 16 March 1988   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Beech Aircraft Corp  
Aircraft model 95  
Aircraft registration VH-EHN  
Serial number TC-1285  
Type of operation Charter  
Damage to aircraft Substantial  
Departure point Brewarrina NSW  
Departure time N/A  
Destination Bourke NSW