The X-plane demonstrator builds on Bell’s experience with tiltrotor aircraft, but with a new stop/fold rotor feature that ...

Bell will design and build a high-speed VTOL demonstrator for DARPA’s SPRINT program, as Aurora exits the competition.

The US Defense Advanced Research Projects Agency (DARPA) has selected Bell Helicopters to build the Speed and Runway Independent Technologies (SPRINT) unmanned ...

American defense contractor Bell was selected by DARPA to move forward with the build of its aircraft for the Speed and ...

The Pentagon’s Defense Advanced Research Projects Agency (DARPA) has selected Bell Textron to build an X-plane demonstrator capable of flying at speeds of up to 450 knots, with the office […] ...

Bell's concept for an advanced tiltrotor-jet hybrid aircraft will move into the build stage of the US Defense Advanced Research Project Agency's Speed and Runway Independent Technologies X-plane ...

Bell to Build X-Plane for Phase 2 of DARPA Speed and Runway Independent Technologies (SPRINT) X-Plane Program  Front Page ...

The project aims to revolutionise military air mobility by enabling high-speed operations without relying on runways.

The US Defense Advanced Research Projects Agency (DARPA) has reportedly cancelled the “Liberty Lifter” heavy cargo seaplane ...

Bell has completed wind tunnel testing of its X-plane model at the National Institute for Aviation Research (NIAR) at Wichita State University, part of the DARPA (Defense Advance Research Project ...

According to Bell, when the technology demonstrator craft is complete, it will be a pilot-optional aircraft expected to cruise at high subsonic speeds of up to 450 knots (518 mph, 833 km/h) with a ...