Leonardo Helicopters has resumed test flights of its single-engined AW09 following a five-month pause to address a manufacturing non-conformity issue in the main gearbox. But thanks to a ...

Leonardo had hoped to certify the AW09 this year, but a halt to flight ... Credit: Thomas Frevillier/Kopter Group/Leonardo Big changes are afoot at the smaller end of the rotorcraft market.

DALLAS—Leonardo Helicopters has resumed flight testing of its AW09 single-engine light helicopter after suspending trials due to nonconforming parts. Engineers discovered an issue with the heat ...