Airbus has joined forces with engine manufacturers to seek clarification from certification authorities on the likely airworthiness requirements for open-rotor-powered airliners.

Several engine manufacturers are exploring open rotor engine designs as a possible way to deliver a step-change in operating economics for future airliners. However, Airbus’s powerplant chief, Sebastien Remy, wants more clarity from the European Aviation Safety Agency and the US Federal Aviation Administration on certification requirements, to prevent designers heading down blind alleys.

© Fligthglobal/Tim Becheno-Brown An artist’s impression of an aircraft with open rotors</H

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