Jackstay

Jackstay

A Jackstay is a component of a ship or submarine used to secure or transfer items from one location to another. It is a type of rigging that is typically made of wire, rope, or webbing. Jackstays are used in a variety of maritime applications, including sailing, diving, and rescue operations.

History

The term "jackstay" originates from the Age of Sail, when it was used to describe a stay that ran from the top of one mast to another. This allowed sailors to move between masts without having to descend to the deck. Today, the term is used more broadly to refer to any line or track used to secure or transfer items on a ship or submarine.

Design and Function

A jackstay is designed to be strong and durable, capable of withstanding the harsh conditions of the marine environment. It is typically made of wire, rope, or webbing, and is secured at both ends to the structure of the ship or submarine. The specific design and materials used can vary depending on the intended application.

In sailing, a jackstay is often used to secure sails and other rigging to the mast. This allows the crew to adjust the sails and rigging as needed to optimize the ship's performance.

In diving, a jackstay can be used to guide divers back to their starting point. This is particularly useful in conditions with poor visibility, where it can be difficult to navigate underwater.

In rescue operations, a jackstay can be used to transfer people or equipment from one location to another. This can be critical in situations where it is not safe or practical to move directly across the deck.

See Also

• Rigging
• Sailing
• Diving
• Rescue operations

References

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  Personnel transfer between USS Rankin and USS Howard D. Crow in 1960

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  The Indian Navy's Jackstay drill during a day at sea for NCC and SCC cadets in 2015

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  Spanwire rig

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  Jackstay search pattern

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  Snagline search pattern