Aviation safety investigations & reports

Piper PA 25-235, VH-MCH, 19 km SW Lismore NSW, 18 December 1985

Investigation number:
Status: Completed
Investigation completed


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The pilot was carrying out a survey of various properties he intended to spray in the near future. While climbing to return to Lismore after surveying the last property, the engine suddenly ran roughly and then stopped. The pilot was committed to a forced landing on unsuitable terrain, and the aircraft collided with a windrow of fallen trees 146 metres after touchdown. A fire then broke out and engulfed the wreckage. The subsequent investigation revealed that there had been no failure of the internal components of the engine, however the fire had destroyed many of the accessories, including the carburettor and parts of the fuel system. The fuel filter outlet elbow was not an aircraft standard part, and there was inadequate sealing between this elbow and the fuel outlet hose. However, whether this had any bearing on the development of the accident could not be established, and the cause of the engine failure remains undetermined.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 18 December 1985   Investigation status: Completed  
Time: 1400 aprx    
Location: 19 km SW Lismore    
State: New South Wales    
Release date: 21 August 1986   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Piper Aircraft Corp  
Aircraft model PA-25  
Aircraft registration VH-MCH  
Type of operation Aerial Work  
Damage to aircraft Destroyed  
Departure point Lismore NSW  
Departure time 1330  
Destination Lismore NSW