You are preparing to lubricate standing rigging on your vessel. When rigging a bosun's chair on a stay with a shackle, __________.

Correct Answer: Option D — never allow the shackle pin to ride on the stay

Safety protocols for bosun's chair rigging dictate that the shackle pin must never ride directly on the stay. Friction from the pin can cause severe wear or damage to the wire rope stay, potentially leading to catastrophic failure of the rigging while a crew member is aloft.