I don't think you can, Can you?
u need a psp
There is not a cheat to spawn a helicopter in vice city stories.
gta liberty city stories cheats of helicopter
There isn't a cheat for it, but if you have custom firmware you can download Cheatdevice for Liberty City stories. Then you can spawn any vehicle you want! Search on google for it.
There is no cheat for the helicopter in GTA liberty city stories
There are no cheat codes for helicopter in GTA liberty city stories.
YOU have to download a hacked game save