Originally Posted by
easyflyer83
For an A319, and presumably a 320 too, three crew operation (1 crew member per 50 pax) is permitted but max capacity of 150.
The A319 configuration that BA use on non-domestic routes has 123 seats (and therefore presumably three cabin crew) so one crew member down would allow only 100 passengers.
More likely to have been an A320 or a 177-seat A321.
Of course if the OP's sister could remember the the date/time of her flight, we would know for sure.
