Originally Posted by
rachidanna
For this trip I’ve decided to travel in economy and buy her a separate seat, so it’s essentially a child fare for an infant. I’ve just been told by an agent on online chat that a car seat is mandatory for her if she is in her own seat.
The use of an approved safety seat increases your daughter's chance of survival and reduces her chance of injury in the event of a mishap.
NTSB Report, "Putting Children First" (Aviation starts at page 27).
NTSB Safety Alert.