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				Nov 03, 2025			
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                  ARO 421 - Helicopter Aerodynamics and Performance (4) The development of rotary-wing aircraft and the helicopter. Review of blade element/momentum theory; hovering and vertical flight theory; autorotation; performance in forward flight.
  Prerequisite(s): C or better in ARO 305 , and ARO 405 . Component(s): 4 lectures/problem-solving. 
				  
  
			
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