Senator Abetz asked the Minister representing the Minister for Defence, upon notice, on 10 November 2011: In regard to special purpose aircraft: (1) Did the Prime Minister fly to the Northern Territory (Gove) on 8 June 2011; if so, for what purpose. (2) How many and what type of aircraft were used. (3) How long was each of the aircraft on the tarmac. (4) How long did the aircraft have their engines running and for what purpose.