Booya
... that almost 29 years after she went missing in Darwin Harbour during Cyclone Tracy, the Booya was discovered by accident in only 20 metres (66 ft) of water?
... that almost 29 years after she went missing in <a href="./Darwin,_Northern_Territory" id="mwDB0" rel="mw:WikiLink" title="Darwin, Northern Territory">Darwin Harbour</a> during <a href="./Cyclone_Tracy" id="mwDB4" rel="mw:WikiLink" title="Cyclone Tracy">Cyclone Tracy</a>, the <i id="mwDB8"><b id="mwDCA"><a href="./Booya_(ship)" id="mwDCE" rel="mw:WikiLink" title="Booya (ship)">Booya</a></b></i> was discovered by accident in only <span about="#mwt33" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"20"},"2":{"wt":"m"},"3":{"wt":"ft"}},"i":0}}]}' id="mwDCI" typeof="mw:Transclusion">20 metres (66</span><span about="#mwt33" typeof="mw:Entity"> </span><span about="#mwt33">ft)</span> of water?