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 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 ...
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 ...