The US Defense Advanced Research Projects Agency (DARPA) will review conceptual designs of the four vertical take-off and landing experimental aircraft (VTOL X-Plane) models in July.
Boeing Phantom Swift programme manager Brian Ritter told IHS Jane’s that the initial reviews of designs developed by Aurora Flight Sciences, Boeing, Karem and Sikorsky are scheduled to be undertaken at the end of next month.
The preliminary design review will be carried out by the end of 2015.
Announced in early 2013, the VTOL X-Plane programme is a 52-month programme aimed at developing and flying an experimental aircraft capable of exceeding 300kt and having hover efficiency of 75%. More..
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