Handboek voor de Wapen- en Munitiebezitter Human Factors in Flight Wings; Helikopters world's great military helicopters Modern Air Power Helicopters Helicopter; A Pictorial History Cobra; tank killer surpreme Chopper!; The Illustrated Story of Helicopters in Action Bell UH-1 Super Profile Sea King Super Profile U.S. Marine Corps Helicopters Helicopter; an Illustrated History of Rotary-Winged Aircraft