In 1971 she carried the Governor-General of Canada , Roland Michener to Europe , hosting the heads of state of Belgium and Netherlands . In June of that year , the ship took part in the first-ever refueling of a hydrofoil at sea , replenishing . As part of Canada 's contribution to the UN peacekeeping force in Cyprus , '' Preserver '' supported Canadian troops through 1974 – 75 . The ship served Canada 's fleet in domestic and international exercises in the 1980s and 1990s . In December 1992 , she took part in Operation Deliverance , the ill-fated Canadian Forces operation that turned into the Somalia Affair . In 1994 , '' Preserver '' was part of the multinational force enforcing sanctions on the former Yugoslavia . The vessel returned to that force in May – June 1995 . In September 1998 , she was part of the Canadian naval response to the crash of Swissair Flight 111 off the coast of Nova Scotia . The ship sailed for Afghanistan in October 2001 , as part of Operation Apollo , Canada 's initial response to the Global War on Terrorism . She returned from that duty in April 2002
Swissair Flight 111
Swissair Flight 111
HMCS Preserver (AOR 510)