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.

DARPA named Bell Textron to proceed with the next phase of its SPRINT X-Plane project, to design and build an aircraft that ...

Bell Textron has been selected by US Defense Advanced Research Projects Agency (DARPA) for Phase 2 of its Speed and Runway Independent Technologies (SPRINT) X-Plane programme. The objective of Phase 2 ...

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 […] ...

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

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 ...

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

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

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 ...