Question 16 AXS01 - Auxiliary Sail Endorsement

The Correct Answer is A. ### Why Option A ("Slacken the main sheet") is Correct The vessel is a schooner-rigged vessel, meaning it primarily uses fore-and-aft sails. It is currently sailing on the port tack (wind coming over the port side) on a beam reach (wind coming from the side). The instruction is to "bear off quickly." Bearing off means turning the bow away from the wind, which in this case, requires turning to starboard (a significant change in course, potentially moving from a beam reach to a broad reach or a run). When a vessel turns away from the wind, the objective is to make the stern move faster and/or the bow move slower (or vice versa, depending on the forces applied). To assist the turn to starboard (bearing off), you want to push the stern to port and/or pull the bow to starboard. * **Sails Aft (Mainsail):** The mainsail is the largest sail, set furthest aft (near the stern). By **slacking the main sheet**, you effectively let the mainsail luff (spill wind) or drastically reduce its driving force and center of effort. This reduction in powerful, aft-located drive causes the center of lateral resistance (pivot point) to move relatively further aft, allowing the bow to fall off (turn away from the wind) more quickly. More importantly, reducing the drive power of the mainsail immediately reduces the strong *weather helm* (tendency to turn into the wind) inherent to a beam reach, assisting the turn away from the wind. ### Why Other Options Are Incorrect **B) Slacken the fore-staysail sheet & C) Slacken the jib sheet:** These sails are set far forward on the vessel (in front of the mast). Their primary function is to pull the bow. If you slacken the sheets for these sails, you reduce the pulling force on the bow. Reducing the forward pull on the bow will cause the bow to move slower, but it will allow the stern to be driven relatively further, which tends to push the bow *up* into the wind (luffing), counteracting the desired maneuver of bearing off. To bear off using the headsails, you would ideally keep them tight or even overtrim them slightly (though slacking the main is much more effective). **D) Slacken the foresail sheet:** The foresail (the forwardmost lower sail on a schooner, set on the foremast) is usually located near the center of effort, but still generally forward of the mainsail. Like the staysails and jib, reducing the power of this forward sail tends to push the bow *up* into the wind, slowing or resisting the desired turn away from the wind (bearing off).