A ketch is a two-masted sailboat whose mainmast is taller than the mizzen mast (or aft-mast), generally 40-foot or bigger. The name ketch is derived from catch. The ketch's main mast is usual stepped in the same position as a sloop. A ketch rig has an advantage over a sloop downwind, and in heavy winds where it has more variety of setups than a sloop, but is less efficient than a sloop upwind.
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