Vertical’s VX4 prototype begins untethered, piloted thrustborne testing following expansion of Permit to Fly from the UK Civil Aviation Authority. Phase 2 of testing includes vertical take-off and ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. The National Research Council will convene specialists in committee form to consider ...

GE Aviation said its XA100 adaptive engine, part of the Adaptive Engine Transition Program, has finished testing at Arnold Air Force Base and is ready to move to the engineering and manufacturing ...