Aviation safety investigations & reports

Runway excursion - VH-­SBA, Mount Gambier Aerodrome SA, 6 May 2010

Investigation number:
Status: Completed
Investigation completed


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On 9 May 2010 at about 0815 Central Standard Time, a Saab 340B aircraft, registered VH-SBA, landed at Mount Gambier aerodrome, South Australia (SA). The crew reported that following a routine approach and touchdown, light braking was applied. At a speed of between 40 and 50 kts, braking pressure was increased because of the speed of the aircraft in relation to its position on the runway.

When braking pressure was increased, the aircraft pulled to the left. The aircraft continued to veer left, until it came to a stop with the nose and left main wheels bogged, off the left side of the runway, at an estimated angle of 50 degrees off runway heading.

The operator's maintenance personnel determined that the left-seat pilot's right brake pedal was producing less braking force than the left pedal. Following extensive fault finding, the associated brake control cable conduit was inspected with a boroscope. A gouge was found on inside radius. The cable was replaced and the aircraft returned to service.

Download Final Report
[Download  PDF: 2.47MB]
General details
Date: 06 May 2010   Investigation status: Completed  
Time: 0815 CST   Investigation level: Short - click for an explanation of investigation levels  
Location   (show map): Mount Gambier Aerodrome    
State: South Australia   Occurrence type: Runway excursion  
Release date: 14 October 2010   Occurrence category: Incident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer S.A.A.B. Aircraft Co  
Aircraft model 340  
Aircraft registration VH-SBA  
Serial number 340B-311  
Type of operation Air Transport Low Capacity  
Damage to aircraft Unknown  
Departure point Adelaide SA  
Destination Mount Gambier SA  
Last update 14 November 2018