Helicopters built by Piasecki, Vertol, Boeing-Vertol

Boeing Model 401 1943 Small two-seat helicopter designed in 1943 as either an open cockpit or enclosed cabin model.DAT ... read more ... He is Frank N. Piasecki, President of the PV-Engineering Forum, an organization he formed with ... read more ... Piasecki PV-2 1943 Piasecki PV-3, HRP-1 1945 Although it was built only in modest numbers and had an unspectacular (though useful) service ... read more ... This tandem-rotor design was evolved by Piasecki Helicopter Corporation to meet a Bureau of Aeronautics ... read more ... Piasecki HUP "Retriever" 1949 Piasecki PV-17 / HRP-2 1949 The much-improved HRP-2 (PD-17) featured a streamlined metal fuselage offering better visibility for two pilots ... read more ... From the all-metal PV-17 built in 1948, the following year Piasecki derived the HRP-2 Rescuer ... read more ... Piasecki H-21 1952 Piasecki PV-15, YH-16 "Transporter" 1953 In 1953 the enormous XH-16 turboshaft tactical transport helicopter, the Transporter, was built. It had ... read more ... In 1956, the Vertol Aircraft Corporation began developing a turbine-powered member of the "flying banana" ... read more ... Boeing-Vertol CH-46 1958 Boeing-Vertol CH-47 "Chinook" 1961 In September 1958, the US Army commissioned Boeing Vertol to develop a medium transport helicopter ... read more ... In late 1965, the first Armed/Armoured Chinook was officially rolled out and testing was begun ... read more ... Boeing-Vertol ACH-47 "Armed/Armoured Chinook" 1965 Boeing-Vertol 347 1970 Experimental advanced-technology helicopter withstretched CH-47A fuselage, four-blade rotors, taller aft pylon, retractable u/c and lift ... read more ... Boeing-Vertol's proposal for U.S.Army Advanced Attack Helicopter competition. Only mockup was built ... read more ... Boeing-Vertol AAH 1973 - project Boeing-Vertol Model 179 (YUH-61) 1974 Competitor in the UTTAS programme to choose a utility helicopter for the US Army (won ... read more ... This big "flying crane" built for the US Army's HLH (Heavy Lift Helicopter) specification, was ... read more ... Boeing-Vertol Model 301 / XCH-62 1975 - project Boeing-Vertol Model 234 1980 After having developed an updatedversion of the CH-47 "Chinook" in1976, designated the CH-47D, whichincorporated improvements ... read more ... First flown in 1987 the Model 360 is a privately developed advanced technology rotorcraft, designed ... read more ... Boeing-Vertol V-360 1987 Boeing/Sikorsky RAH-66 "Comanche" 1996 The Comanche was intended to replace the US Army's relativelyunsophisticated OH-58D Kiowa Warrior and read more ... The X-50A Canard Rotor/Wing (CR/W) began as a McDonnell Douglas Helicopters project for a VTOL ... read more ... Boeing X-50 Dragonfly 2003