The Fantome class is a class of eight small survey motor boats (SMBs) operated by the Royal Australian Navy (RAN) and DMS Maritime. The four-man boats are designed to operate from the s, with three assigned to each ship, while the seventh and eighth were attached to the RAN Hydrographic School at . They are fitted with navigational and survey equipment and are unarmed.

Design and construction Each Fantome-class vessel displaces 7.48 tons, is long, has a beam of , and a draught of . They are fitted with two Volvo Penta AQAD 41D/SP290 diesels, connected to two outdrives, which allow the vessels to reach . They are fitted with a JRC JMA-2141 navigation radar and SMBs on the Hydrographic Ships have Atlas Deso 30 single beam echo sounders, MBES Fansweep 20 multibeam echosounders and CMAX TLW Side Scan Sonar. They are also fitted with Fugro Seastar 3100 WAdGPS for horizontal positioning and POSMV as the position monitoring system. Four personnel crew each vessel; one officer/senior sailor and three sailors. The Fantome SMBs are unarmed.

All eight vessels were constructed by Pro Marine at Seaford, Victoria.Wertheim, The Naval Institute Guide to Combat Fleets of the World, p. 28 They entered service between October 1992 and July 1993.

The Fantome design was used as the basis for the Antarctic survey launch .

Operations

Six of the RAN's Fantome-class boats are carried on board its two s. Each of these ships can carry three survey motor boats.Wertheim, The Naval Institute Guide to Combat Fleets of the World, p. 26 The other two boats were originally operated by DMS Marine under contract to the RAN and are stationed at the Navy's Hydrographic School at in Sydney, but by 2010, these vessels were under direct RAN control. DMS Maritime maintains all eight boats.

Vessels The nine boats are:Saunders, Jane's Fighting Ships 2008–09, p. 33 SMB 1005 Investigator [Taken out of service 2001] SMB 1006 Fantome SMB 1007 Meda SMB 1008 Duyfken SMB 1009 Tom Thumb SMB 1010 John Gowland SMB 1011 Geographe SMB 1012 Casuarina SMB 1021 Condor is not a "Fantome" class SMB but a one off unsuccessful design that incorporates a single forward mounted engine with a single shaft and was never accepted into RAN service because of its poor layout and handling capabilities. Feed back from RAN crews was that it was difficult to drive and lacked performance leading to the "Leeuwin" class of Hydrographic vessels to have to slow down to enable recovery of the vessel.

Fantome, John Gowland and Casuarina were seen being auctioned July 23 at https://www.pickles.com.au/trucks/item/search/-/listing/listSaleItems/3877#!/search-result?q=ProductType.Boats.&sort=lot_number_suffix_sequence

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