Sirius (survey) class - AO - Support Ship IMO: MMSI: Flight Deck: Call Sign: PWQO Shipyard: Ishikawajima Shipyard (IHI) Events ---Filter---Laid downLaunchedCommissioned History of Sirius H21 1955Laid downLaid down 1957-jul-30LaunchedLaunched 1958-jan-17CommissionedCommissioned Add new event for this unitYear:Month: <- (1/12) Optional Day: <- (1/31) Optional Text: Add Event Specifications Sirius (survey) class 116crew 1463light (tn) 1800full load (tn) 78length (m) 12.10beam (m) 3.70draught (m) 12000range (nm) 15.70max speed (knots) 2Naval Engine diesel 1Naval Radar navigation radar DECCA 1226 Aircraft Typical Max Landing platform only. No hangar Brazilian Navy Westland Wasp 01 Brazilian Navy Bell 206 01 Builder Ishikawajima Shipyard (IHI), Isogo