Originally Posted by
Less Hair
Any size conforming carry-on luggage should fit "under the seat in front of you" (*except emergency exit and first rows) anyway. No bins needed. This is why refusing it or forced check-in do not make sense to me. Airlines like Ryanair want less checked in baggage in order to reduce lost bags and costs.
There is one thing about placing hand luggage under the seat infront that may have a bearing on whether you get your baggage placed in the hold instead.....saggy lifejacket pockets
I have noted that the older the aircraft, the less space tween floor and saggy lifejacket pocket and on flights with older aircraft, I have seen more hand baggage rejected to the hold. So perhaps check in staff are aware of the age of the plane and are more strict with hand baggage if they know there is an issue of lifejacket pocket saggyitis?