The following are known Action Replay Codes for Chopper Attack on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Infinite Fuel
81129726ffff

Infinite Weapon First Position
8012943b0063

Infinite Weapon Second Position
8012943f0063

Infinite Weapon Third Position
801294430063

Score
8112942600ff

Infinite Armor
811296c80045

Gun Four-Way Shot
801297230004