US investigators believe loss of power in the outboard left-hand engine of a Douglas C-54, and the subsequent feathering of ...

The NTSB final report revealed new details as to why a Douglas DC-4 crashed in Alaska on April 23, 2024, killing both pilots on board.

The system also functions without the fuselage ... The aircraft has a unique propeller feathering feature (known as “hotel mode”) which can slow (25% rotation speed) the propellers while ...