Continued technical troubles with the Silvercrest engine in development at Safran’s Snecma motors division will further delay certification of the new powerplant by 12-18 months, shelving hopes for a first test flight of Dassault Aviation’s new Falcon 5X business jet this year.  As a result of the delay, the French aircraft manufacturer has hit the brakes on development of the Falcon 5X.  “We have written to our partners and told them to slow production,” ...


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