Jindabayne - a fair few in the 60s. ISTR 5 at least, may have been 6 in my time, first 5 months of 66. " In the case of engine failure (Gnat) solo students will eject. Instructors will use their discretion then eject".
On the question of Hunters, my basic QFI at the Towers was John Metcalfe, a creamy. I believe he died in the 70s instructing on the Hunter. any one have any details. He was a great guy and I still remember him with affection, he certainly was to my mind one of the better instructors, certainly from the "understanding" perspective