Designer Lars Halvorsen  Builder Halvorsen​   Launched 1937, Sydney   Length 12.2m, 40ft

Classic Boat Club of Western Australia

Mischief

Bridge deck motor cruiser 40ft. Carvel planked. 10 mph. Drafts 4' 2" aft, 2' 6" forward. 6 berths. Engine room 10' long. 4 portlights in each side of RFD,  Tumblehome sides at stern.  Said to have been last vessel designed by Lars Halvorsen before his death on 5 October 1936.


  • 1936 David Theodore  Nicholson commissioned  Lars Halvorsen to build Mischief.
  • 1937/01 completed.
  • 1937/02/25 registered, Sydney.  WW2 listed on register of No.2/3 Division, Volunteer Coastal Patrol, seagoing.
  • 1941/11 commenced part time with Naval Auxiliary Patrol (NAP).
  • 1942/11/14 requisitioned to work full time with NAP, armament: 1x .303 Vickers machine gun forward, 2x Mk.VII depth
    charges,  ​6x midget depth charges.
  • 1943/01/15 (or 18) commissioned, tender to shore bases HMAS Rushcutter & HMAS Penguin.  
  • 1943/02 sent to patrol entrance to Botany Bay to protect the Bunnerong Power station from anticipated attack by Japanese
     midget
    submarines, with Marlean (qv), sighted and hunted submarine off entrance 02/23.
  • 1944/06/30 removed from service.
  • 1945/10/27 sold by auction at Sydney.