Loss of separation involving a Boeing 767-238ER, VH-EAJ and Pilatus Britten-Norman BN-2A-26, VH-HPL, 18 km west of Perth, Western Australia, on 19 March 1993
Loss of separation involving a Fokker B.V. F28 MK 3000, VH-EWF and Cessna 210M, VH-WNK, 35 km south-west of Canberra, Australian Capital Territory, on 18 March 1993