Search results
Results From The WOW.Com Content Network
An OH-6A and two AH-1G Cobra helicopters flying a reconnaissance mission near Phuoc Vinh, c. 1970. It became common for OH-6s to operate in teams with other rotorcraft, particularly the Bell AH-1 Cobra attack helicopter. This teamwork was actively encouraged by Army officials, and led to the development of so-called "hunter-killer" tactics that ...
Original helicopter "classes" were based on the engine size. For example, a helicopter with a 0.30 cu in (4.9 cm 3) engine was a 30 class and a helicopter with a 0.90 cu in (14.7 cm 3) engine was referred to as a 90 class helicopter. The bigger and more powerful the engine, the larger the main rotor blade that it can turn and hence the bigger ...