A boomerang measuring 48 mm [1.8 in] long and 45 mm [1.77 in] wide,
was successfully thrown by Sadir Kattan at the Australian National
Boomerang Championships, Melbourne, Vic, on 22 March 1997. The
boomerang traveled past the qualifying 20 m [65.6 ft] and returned
into the accuracy circles from where it had been thrown. - page 127,
Guinness World Records 2002.
Sadir with the record setting boomerang