Use these codes to replace the car sellers Hearse with an helicopter:

*NOTE: When buying the Hearse, it might not show the Helicopter to buy, but when you scroll through the cars, go back to the Hearse and it will be there.)

*Note, were NOT made by me.

*CONFIRMED WORKING BY ME*

Helicopter 1
Code:
92222A30 00000000
02222AF8 00000003
D2000000 00000000
Helicopter 2
Code:
92222A30 00000000
02222AF8 0000005F
D2000000 00000000
Side effects:
- The helicopter won't have radio working (you can choose stations but they won't play).
- Once you leave the helicopter you can't reenter and will have to go back to the seller.
- The helicopter has no sounds when you fly, though it has them when you buy it and when you get out of it.

Controls:
D-PAD: Fly forward, fly backward, move left, move right
B: Lift off/fly (You can let go of B to just float in the air)
X: Drop down
A: Shoot your weapons
Y: Leave the Helicopter. (NOTE: Once you leave, you can't get back in).
L: Rotate camera left. (NOTE: The helicopter seems to spin WITH the rotation).
R: Rotate camera right. (NOTE: Same as L button).

Hi-Res Images:


Also note, the game engine wasn't designed to fly high up. So take that into consideration.