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| Keywords: Kaman K-225 at CGAS Elizabeth City 1950s.jpeg A U S Coast Guard Kaman K-225 Mixmaster s/n CG-239 <br> Kaman Aircraft company built three K-225s under a Navy contract NOa S -10876 to test and evaluate the type and the Coast Guard purchased one of these CG-239 in early 1950 It was delivered to Air Station Elizabeth City on 18 March 1950 where it underwent testing and evaluation <br> The K-225 used two two-bladed intermeshing rotors thereby eliminating the tail rotor The blades were made of laminated spruce covered with fabric and dope Control was achieved through the use of servo flaps located behind the trailing edge of each blade actuated by a series of push-pull rods Kaman later added a gas turbine engine to a K-225 making it the first rotary-winged aircraft so powered On 11 May 1950 CG-239 went into the workshops at Elizabeth City after undergoing 120 flying hours After this it was apparently little used except for pilot refresher training CG-239 was transferred to the Navy on 22 March 1954 and was later sold into private hands It crashed on 1 October 1955 Although there were no injuries the helicopter was completely destroyed http //www uscg mil/history/webaircraft/Kaman_K225 pdf USCG http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/AdvQuery php U S Navy National Museum of Naval Aviation photo No http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Display php irn 24487 QueryPage 2Femuwebdoncoms 2Fpages 2Fdoncoms 2FAdvQuery php 1993 501 073 150 between 1950 1954 U S Navy PD-USGov-Military-Navy Kaman K-225 CGAS Elizabeth City | ||||
