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

The engine-maker is pinning its hopes on the geared UltraFan as a low-fuel-burn contender for single- and twin-aisle airliners and reengining opportunities.

The findings are behind a May 11 airworthiness directive (AD) issued by EASA on the A380.

GE Aerospace is investing $20 million to expand its EPISCenter facility at the University of Dayton as demand for electric and hybrid propulsion research grows.

A new cooling strategy for the high-pressure turbine is at the heart of the plan to boost Trent 1000 and 7000 durability.

AI in aviation; flying hydrogen lab; Seoul’s UAM routes; and Alder’s fuel progresses.

A large number of Airbus A320neos, A220s and Embraer E2 aircraft are parked as Pratt & Whitney struggles with retrofits and engine supply.

Merlin Labs is working with the New Zealand Civil Aviation Authority to certify its autonomous flight system in the Cessna Caravan.