To fly a control a helicopter in gta vice city you need to use arrow keys.
Up key:Up and forward
Down key:Down
Left key:Left
Right key:Right
Up+Left:Forward and left
Up+Right:Forward and right
Down+Left:Down and left
Down+Right:Down and right
These controls are for PC and PS so if you want XBox or something else fell free to improve this answer.
Well Grand theft auto san andreas has lots , but Grand theft auto 4 doesn't it only has helicopter's
you dont
what is it
Get in a helicopter or plane.
helicopter
no
you do a cheat code
At the airport .
You go to the airport by the military base to find a helicopter.
there is no cheat for a mini helicopter yet
Type in "OHDUDE" and you will get a helicopter with weapons.
You can't, even with cheats.