Housemaid of the RCN's Pacific fleet, the YBZ-61 is, in effect, a huge vacuum cleaner whose job is to vent, clean and gas-free the fuel tanks and bilges of warships. She not only saves time, man hours and money, but makes a messy and unpleasant job much easier to tackle. The YBZ-61 is shown at work alongside the ocean escort Stettler.
Royal Canadian Navy
December 1964 <i>Crowsnest</i>, <a rel="nofollow" class="external text" href="http://publications.gc.ca/collections/collection_2015/mdn-dnd/D12-19-16-7-eng.pdf">Vol. 16 No. 12</a>, p 15.  Photo E-76131