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On 29 August 2007, a SAAB Aircraft Company 340B-229 (SAAB) aircraft was being operated on a scheduled passenger service from Adelaide, SA to Mount Gambier. The aircraft departed from runway 05 soon after an Airbus A320-232 (Airbus) aircraft departed from the same runway. When the SAAB reached a height of 250 to 350 ft above ground level (AGL), the flight crew experienced abrupt, severe buffeting and an uncommanded roll to the left, followed by another roll to the right.

As a result of this occurrence, the aircraft operator advised that they reviewed their operating procedures relating to departures behind jet aircraft and will use the ATSB report as part of a safety promotion strategy directed at all company pilots. In addition, The Civil Aviation Safety Authority is reviewing the safety implications of this incident and is considering the development of a safety education program for flight crew and air traffic controllers.

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General details
Date: 29 August 2007 Investigation status: Completed 
Time: 0840 CST  
Location   (show map):Adelaide Airport Investigation type: Occurrence Investigation 
State: South Australia Occurrence type: Turbulence/windshear/microburst 
Release date: 02 June 2009 Occurrence class: Environment 
Report status: Final Occurrence category: Serious Incident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: S.A.A.B. Aircraft Co 
Aircraft model: 340 
Aircraft registration: VH-ZLR 
Serial number: 340B-229 
Type of operation: Air Transport Low Capacity 
Damage to aircraft: Nil 
Departure point:Adelaide, SA
Destination:Mount Gambier, SA
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Last update 14 November 2018