Aviation safety investigations & reports

Smoke Event - 21NM West of Mildura, NSW, 27 August 2007, VH-SGA, Piper Navajo PA-31P

Investigation number:
Status: Completed
Investigation completed


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On 27 August 2007, a Piper PA-31P Navajo aircraft, registered VH-SGA, with a pilot and a survey equipment operator on board, was being operated on an aerial survey 21 NM west of Mildura, NSW. At 5,000 ft altitude and operating under the visual flight rules, the pilot noticed an electrical burning smell, which was confirmed by the survey equipment operator.

The pilot, although affected by the fumes, was able to conduct a successful landing at Mildura aerodrome and reported to Air Traffic Services when safely on the ground. The aircraft was examined by a Licensed Aircraft Maintenance Engineer at Mildura. The right engine alternator 'inoperative' sensor was replaced.

As a result of this occurrence, the aircraft operator initiated safety actions to prevent a recurrence.

Download Final Report
[Download  PDF: 104KB]
General details
Date: 27 August 2007   Investigation status: Completed  
Time: 1137 EST   Investigation level: Systemic - click for an explanation of investigation levels  
Location   (show map): 39 km W Mildura    
State: Victoria   Occurrence type: Smoke  
Release date: 25 February 2009   Occurrence category: Serious Incident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Piper Aircraft Corp  
Aircraft model PA-31  
Aircraft registration VH-SGA  
Serial number 31P-7300166  
Type of operation Aerial Work  
Damage to aircraft Nil  
Departure point Mildura, Victoria  
Destination Mildura, Victoria  
Last update 03 April 2020