Bell has secured its single-engine Instrument Flight Rules (IFR) spurs for its Model 407GXi helicopter, paving the way for the aircraft to compete in the U.S. Navy’s rotary-wing trainer competition. The supplemental type certification (STC) announced on Aug. 15 is a requirement for the Navy Advanced Helicopter Training System, which calls for the service to take a single standard fleet of an FAA-certified light helicopter and put it into military markings, replacing the TH-57 ...


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