Safety, Fire & Survival · Man Overboard — Williamson Turn
The Williamson turn is a man-overboard maneuver that is especially useful because it:
- AReturns the vessel onto a reciprocal course and back along its original track, useful in reduced visibility✓ Correct
- BIs the fastest way back to the person
- CKeeps the propeller turning toward the person
- DRequires no rudder
Explanation
The Williamson turn brings the ship back along its original trackline on a reciprocal heading, making it valuable when the person was lost some time ago or in poor visibility. The Anderson (single) turn is quicker when the person is in sight.
Authority: Bowditch (Pub. No. 9); IAMSAR Manual Vol III
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