However, on the next test flight the same day in 2005, the CarterCopter made a hard landing (crashed),Probable cause NTSB, 25 July 2007. Retrieved: 7 August 2010. causing significant damage, but the pilots were unhurt. The crash was caused by failing propeller bolts which damaged wires controlling the rotor. The propeller was designed by Carter, and was an 8 ft scimitar controllable-pitch propeller weighing 15 lbs and had a thrust of 1850 lbf.Jeff Lewis and Claudius Klimt. The CarterCopter and its legacy: Carter's high performance, hollow-blade propellers pages 11-15. Issue 83, Contact Magazine, 30 March 2006. Accessed: 18 April 2015. It was initially believed that the CarterCopter was unrepairable; later inspection showed that it could be repaired, but the company chose to work on a small open wingless autogyro demonstrator instead.Archive 2005 Carter Aviation Technologies, 25 July 2005. Retrieved: 7 August 2010. Also later in 2005 and using lessons learned from the CarterCopter, design began on the subsequent compound aircraft, the Carter PAV,Archive 2006 Carter Aviation Technologies, 2 January 2006. Retrieved: 7 August 2010. "For the past several months, Carter has been designing a new aircraft""CarterCopter prototype in the works " Texomas, 20 December 2006. Accessed: 26 January 2014. which flew in 2011.Paur, Jason. New autogyro is an alternative to flying cars Wired (magazine), 21 January 2011. Accessed: 21 January 2011.
