The Boeing Company

Paul M Sewell

Matthew E Fife

Jonathan B Creed

Systems and methods according to one or more embodiments are provided for a variable length self-locking lifeline system that prevents a user from falling off an elevated surface. In one example, a variable length self-locking lifeline system includes a processor and a lanyard. The lanyard is coupled between an anchor point and a user. One or more sensors determine, in real time, a current length and orientation of the lanyard as the lanyard responds to a user moving on an elevated surface. The processor is configured to trigger a locking mechanism to selectively lock the lanyard from further extension when a determined current length and current orientation exceeds a predefined safety perimeter of the elevated surface.

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Monroe, WA, United States of America

Paul M Sewell