Originally Posted by
Beer Baron
It's about the upgrade priority F11. So a kid in a graduate position in their first year of service beats a 40 year Captain to the last business seat. Check any international service and there is an unusually high number of staff (plus their family, friends, girlfriends, boyfriend) flying around with an F11 upgrade
I can certainly understand why they picked the letter "F" as the prefix for their upgrade priority. I suppose "C" was already taken.