 The Hawker Pacific aviation company of Australia purchased eight B300s between 2003 and 2005 for lease to the Royal Australian Air Force (RAAF), which were subsequently modified as navigator trainers.Hawker Pacific later leased another three B300s to the Australian Army, replacing B200 and B200C Model King Airs.The RAAF has also utilized King Air 350 Special Mission as an interim replacement for the DHC-4 Caribou transports of No.