Following their 1956 campaign , tragedy struck the Roughriders franchise when four members of the team were killed in a plane crash on December 9 , 1956 , while returning from the Canadian Football Council ( CFC ) All Star Game in Vancouver . Gordon Sturtridge , Mel Becket , Ray Syrnyk , and Mario DeMarco were killed when Flight 810 crashed into Slesse Mountain near Chilliwack , British Columbia . The team retired the numbers of the four players shortly after the tragedy . The following season , the Roughriders finished with seven fewer wins and a last place finish in the WIFU
Flight 810
Trans-Canada Air Lines Flight 810
Saskatchewan Roughriders