8) When did AC introduce three-cabin aircrafts with Y/J/F and what were the three cabins called at the time?
I think this occurred very briefly in the 1990s. No idea.
9) When did AC eliminate int'l F?
Late 1990s?
10) What is the maximum checked baggage allowance an E50K can receive when taking a Star Alliance flight? List airline(s), route(s) and class of service.
All I know is 96kg on AC, on any route and any class of service.
11) What is the lowest checked baggage allowance a S100K can receive when taking a Star Alliance flight? List airline(s), route(s) and class of service.
TK only offers 20kg of additional luggage for *G on domestic and some international routes.
12) A SEMM who bought a full-fare J ticket is travelling together with another SEMM who upgraded from Y to J. In terms of the onboard experience, how may the latter be better off than the former?
LT07.
13) How many passengers did AC carry in 2018?
Don’t know. My guess is 5 million.
14) Which AC aircraft has the highest ratio of J seats vs. non-J seats?
77L.
15) Which two airports served by AC mainline are the furthest apart?