Our roundup of the main aerospace and defense stories making the news this week.

Despite the Russia-Ukraine war and volatility in the stock market, business aircraft activity at Textron Aviation has remained strong during the first quarter of 2022, company officials say. 

Aircraft Industries, the manufacturer of the Let family of turboprop regional aircraft, is now back in Czech hands after being acquired from its Russian owners. 

737-based E-7A, originally designed for Australia, to serve airborne warning and control mission.

A U.S. Navy proposal now under review would establish a dedicated training center for aircraft pilots and maintainers in foreign militaries, a service official said at Aviation Week’s Military Aviation Logistics and Maintenance Symposium here on April 27.

With modification of the Cessna 172 Skyhawk and 208 Caravan to autonomous operation already under its belt, Reliable Robotics has received an Air Force Research Laboratory contract to demonstrate autonomous capabilities on U.S. Air Force aircraft.

DARPA is seeking concepts and preliminary design proposals for a low-cost, wing-in-ground effect seaplane that, if taken to the next stage, could lead to the development of a full-scale X-Plane version.

A problem appeared on the floor of the F135 Heavy Maintenance Center here in late January: a late test had detected a worrisome vibration coming from a repaired power module inside an F-35A engine.