Air france in Canada was no where near a Crew/Pax ratio of 1:50. There were
297 Pax onboard and 9 or 10 Cabin crew.
10 crew = 1:29
9 crew = 1:33
Would 6 Cabin crew have got all of the Pax out in time ?- not sure. But I know most pax would prefer a crew member for each door and a ratio of 1:36