1: You MUST have no practical knowledge of Cabin Crew responsibilities,working environment & culture 
2; It is desirable to have been attending a university at some time.If so, the softer the degree the better.
3; Said degree to have no relevance to managing anything,exept your own perception of your own importance.!
4;You must become, if not already, a total sycophant.
5;see previous post.
6;Have the unique ability to lay blame on anybody else but yourself.
7; You
will probably earn less than most of the people you
think you are managing!!!
8; The people you are allegedly managing
WILL know this.
9; You will last less than
2 years in the job.
10; Buy some good body armour,your fellow
"managers"! will not hesitate to stab you in the back.
Welcome to the dysfunctional
FAMILY 
If you are still interested in the job,you will probably get it.
Good luck.
