Heli 1983

You play as a helicopter pilot and must traverse a dangerous Alien underground fortress on Earth to find the construction blue prints which are saved on a floppy disk. Mutant martians from outerspace attacking the earth and built a giant underground fortress. The martian buttheads saved their construction blue prints to a floppy disk you must find. An air force special helicopter unit h order to get this disk you've got five machines and enough fuel to start this dangerous operation all hope rests on your skills and courage. Good luck soldier!