On September 3 , 1998 , the organization undertook the largest mutual aid search operation in Nova Scotia 's history . With the crash of Swissair Flight 111 off the coast of Nova Scotia , Halifax Regional Search and Rescue was charged with primary responsibility for all ground operations including military operations and other ground SAR teams . On November 5 , 1998 , 64 days later , volunteers had contributed 48,780 hours with 3,141 person days
Swissair Flight 111
Swissair Flight 111
Halifax Regional Search and Rescue