Nepalese investigators probing the Yeti Airlines ATR 72-500 crash at Pokhara have disclosed that both propellers feathered just after the flying pilot asked for a further extension of the flaps. The ...

Hartzell Propeller has developed a new two-bladed Top Prop propeller conversion kit for the Piper PA-23-250 Aztec. The 77-in.-dia. propeller uses blade-mounted counterweights to provide redundant ...

US investigators believe loss of power in the outboard left-hand engine of a Douglas C-54, and the subsequent feathering of its propeller, initiated a chain reaction of events including a fuel ...

Hartzell Propeller Inc. has received an STC to install a newly designed, three-blade propeller system on Beech 58, 58A and G58 Barons that are factory equipped with TCM IO-520 and IO-550 engines. The ...

Until recently Hamilton has had a virtual monopoly of the propeller business. Lately, however, it and its most formidable rival, famed old Curtiss-Wright Corp., have been seeking another ...