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.
toilette
There is no cheat for the helicopter in GTA liberty city stories
how to get a free helicopter on liberty city stories on PlayStation portable
no there's not a helicopter cheat in gta liberty city stories, you can only have a helicopter as you do a mission i don't no witch number of mission that is
the cheat is L1,CIRCLE,UP,DOWN
Go home
you can helicopter in your house the cheat is L1,R1,X,L1,R1,O
There is not a cheat to spawn a helicopter in vice city stories.
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There is no such cheat.
poo
The helicopter cheat in gta vice city stories is: up, up, up, up, down, x, x, L, R, o, SQUARE, SQUARE Whether this cheat will work for liberty city stories, I'm not sure. -Hope I helped-
you can't fly helicopters or planes so there are no cheats for things like those