The following are known Action Replay Codes for Gunship on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Infinite Ammo
800a429803e7

Infinite Fuel
800a42aa0064

Infinite Ammo
800a429a03e7
800a429c03e7
800a429e03e7