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Gooseneck swivel on jigger-mast of Nippon Maru sail training vessel in Yokohama harbor

The gooseneck is the swivel connection on a sailboat by which the boom attaches to the mast. The boom may pivot in any direction, from side to side or up and down, by swiveling on the gooseneck.[1]

The gooseneck may be a two-axis swivel as pictured. Having an integrated shackle for the tack is common. Goosenecks on older rigs may be formed by a loop attached to the end of the boom that fits loosely about the mast.

Gooseneck Swivel Connection On A Yacht


  1. ^ Bond, Bob (11 August 1992). The Handbook of Sailing: A Complete Guide to All Sailing Techniques and Procedures for the Beginner and the Experienced Sailor. Knopf Doubleday Publishing Group. p. 49. ISBN 9780679740636. Retrieved 23 March 2023.