PUBLICATIONS
Vol.49 | No.11
$ 9.00
NOVEMBER 2020 | a i n o n l i n e .c o m
Boom rolls out supersonic XB-1 by Gregory Polek Boom Supersonic on October 7 staged an online rollout ceremony for its one-third scale XB-1 demonstrator, scheduled to make its first flight sometime next year. Powered by three General Electric J85-15 turbofans, the composite-bodied XB-1 will fly up to Mach 2.2 ahead of the planned introduction of the Overture supersonic airliner, expected to make its own first flight in 2025. Boom expects the XB-1 to demonstrate technologies planned for the 55-seat
Overture such as carbon-fiber composite construction, computer-optimized highefficiency aerodynamics, and supersonic propulsion systems. The design includes what Boom calls one of the highest-efficiency civil supersonic intakes ever tested. During the rollout Boom CEO Blake Scholl explained the importance of the aircraft’s engine intakes, which act to slow the speed of the airflow to
The Boom XB-1 demonstrator measures 71 feet long, or roughly a third of the length of the planned Overture supersonic airliner.
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Robotic Flyers Reliable Robotics has now achieved unmanned flight tests of two conventional Cessna airplanes.
page 28
continues on page 44
Fourth Gulfstream G700 joins test fleet page 10
People Bombardier ousts Coleal as president page 12
Accidents NTSB releases cause of Latitude crash page 22
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Training Turning a Rolls-Royce engine virtual page 33
Safety FAA sets 737 Max pilot training plan page 25