The trip above was about 1982 and the Plane was a DC9-20 Operating a scheduled service Perth Pt Hedland Darwin. depart PH at about 2230 local time.
Going back a bit, C-54/ DC 4s were introduce hereabout 1950 and Qantas , Ansett and TAA had them. They left here at the end of 1968 They have Full 3 axis autopilot with hydraulic servos, but not pressurised. The DC-6 was a bigger development of the DC4. Pressurised, faster cruising at higher Levels and with more range. We flew the DC4 with a crew of two Pilots and the DC-6 has a flight engineer as well. Nev