Deck General · Mooring — Snap-Back
The 'snap-back zone' around a mooring line is dangerous because:
- AThe line is electrically charged
- BIt is always slippery
- CWater collects there
- DA parting synthetic line recoils violently along its lead, able to kill or maim✓ Correct
Explanation
Synthetic lines stretch and store energy; if one parts it snaps back along its direction of lead at lethal speed. Crew must identify and stand clear of snap-back zones, never straddle a line under tension, and keep clear of bights.
Authority: OCIMF Mooring Equipment Guidelines; OSHA
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