BASIC POWERBOATING. SAFETY & RESCUE FOR SAILING INSTRUCTORS 95 Double-Line Tow


Boats are staggered to minimize the possibility of a collision.


Key Points E Good for sailboats with centerboards or keels E Can tow more boats than a single-line tow E Separate towline for each boat—use the Bowline-to-Bowline method if tying towlines to masts.


E Boats need to be manned to avoid collisions. Fenders or cushions on the inboard sides of the boats will reduce damage if contact is made.


E Stagger the boats so they do not ride alongside each other to prevent them from being drawn together by suction and making contact.


Herringbone Tow 1 Make two overlapping turns.


Rolling Hitch


Key Points E Best for small boats—pickup is slower and more difficult for keelboats.


E Can tow more boats than a single-line tow. E Boats need to be manned and steered. E One central towline which may have loops or short pickup lines. Small floats can be used to mark loops/ends of the pickup lines and float the towline. Depending on the size of boats, self-floating polypropylene pickup lines may be used.


E This tow can be set up at a dock by stretching out the central towline and lining up the sailboats alongside the dock about a boat length apart.


E In an emergency, a central line can be used with the boats attaching their painters or towlines to the line using a rolling hitch.


2 Then make a third turn on the other side of the towline and finish it off with a hitch.


3 When the towline is pulled against the two overlapping turns, the knot will not slip. If pulled in the opposite direction, the knot will slip.


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