Chopper I © 1988 SNK.
Export release. This game is known in Japan as Koukuu Kihei Monogatari - The Legend of Air Cavalry.
Game ID : A7003 'KK'
Main CPU : (2x) Zilog Z80 (@ 4 Mhz)
Sound CPU : Zilog Z80 (@ 4 Mhz)
Sound Chips : YM3812 (@ 4 Mhz), Y8950 (@ 4 Mhz)
Players : 2
Control : 8-way joystick
Buttons : 2
Released in June 1988.