Loss of separation involving a Beech Aircraft Corp B200C, VH-NSD and Fokker B.V. F28 MK 1000, VH-ATG, 65 km north-west of Mackay, Queensland, on 1 September 1993
Loss of separation involving a de Havilland Canada DHC-8-102, VH-TQO and de Havilland Canada DHC-8-102, VH-TQQ and Boeing 737-376, VH-TAF, 75 km north-west of Sydney, New South Wales, on 31 August 1993