How is a safety shackle is identified?
Official USCG Answer & Rule Citation
Correct Answer: Option B — pin
A safety shackle is positively identified and distinguished from standard shackles by its threaded pin secured with a nut and cotter pin, preventing accidental back-out during heavy loads or dynamic vessel motions.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.