What a history. Thanks for the link B772
Slim Rosier told me they got some interesting comments climbing straight to Fl250 in
the survey machine, with paddle blade props (and IIRC a manual two stage super charger).
I guess it was MMF.
From your link
Aircraft was granted a liquor licence and classed as a public place - February 1974
Licensee was Air Tasmania's Chief Pilot Captain Terry Burns and aircraft configured with 32 seats
Terry Burns - quite a character down in Tassie