When u get ur degree there are loads of things u can do!!!! There is research but there is also design, manufacture, systems design, testing and some more stuff which i dont no off the top of my head...sry!!
Aero engineering involves everthing fom making and engine to the cup holders in the seats!!! also dont 4get u dont neessicarily have to work in the airplane industry, u can also work with missiles, helicopters, spacecraft, forumla one cars.............................. kite design!!! lol pretty much anything to do with air. but if u really want to work at heathrow dont let any1 stop u!!
as for which has more prospects im not really sure if theres much of a difference
P.S am doing it next year and am a bit more sober than the guy above me.