Seven down. Three to go. Boom Supersonic—the developer of a 64-to-80-passenger commercial airliner that flies faster than the speed of sound—last week set speed and altitude records with its XB-1 test ...
A fourth aircraft is now part of the Gulfstream G650 flight-test program. The newest ultra-large-cabin, ultra-long-range test aircraft flew for the first time June 6 and has spent more than five hours ...