fly glitch ?

[MWR]

heya,
The fly glitch is it "up , C , up" ?
or UP + C at the same time?
soz but i right on Wii with no keyboard :S

 

[RPCriminal]

All elevator glitches in mwr are eazy all u need to do is
Jump, crouch, jump in the same time
If any body wants to learn some pm me ur fc and I will pm u mines