The On Deck Channel · video

What this video covers

Professional riggers perform a full rig inspection on a 100-foot ketch operated by the non-profit organization Sail Future.0:20 The vessel features a triple-spreader, four-panel mast standing 136 feet tall.2:09 During the inspection, a youth trainee ascends the mast to assist with the maintenance.0:45 The riggers utilize internal sheaves rather than external blocks for the ascent to ensure safety, as an external block failure could result in a fall.3:11 When working on masts of this height, the weight of the halyard itself can exceed the weight of the person in the bosun's chair, preventing them from descending.2:50 To mitigate this, the crew attaches a haul-down line to the bottom of the bosun's chair, allowing ground crew to pull the climber down if the line weight becomes excessive.2:54

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