Loss of separation involving a Piper PA-23-250, VH-JSB and Piper PA-31-350, VH-OZV and Piper PA-31-350, VH-IAM, 12 km south-east of Launceston VOR, Tasmania, on 21 April 1998
Partial power loss involving a Gippsland Aeronautics Pty Ltd GA-200, VH-SAV, 20 km south-east of Mount Gambier Aerodrome, South Australia, on 17 April 1998