Supra SL Owner's Manual page 23

Towing
PERSONAL INJURY HAZARD
Towing or being towed stresses the boats, hardware and
lines. Failure of any part can seriously injure people or
damage the boat.
A recreational boat towing another is usually a last resort
because of possible damage to one or both boats. The Coast
Guard or a private salvage company is better equipped. A
recreational boat may assist by standing by, and possibly
keeping the disabled boat's bow at a proper angle until help
arrives. Only when conditions are ideal—that is, waters are
calm, disabled boat is small, and one or both skippers know
correct technique—should a recreational boat tow another.
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Towing Vessel
• Be sure your boat will not run aground too.
• Because you are maneuverable and the grounded boat is not,
you should pass the towline to the grounded boat.
• Use double-braided or braid-on-braid line. Never use three-
strand twisted nylon; it has too much elasticity and can snap
back dangerously.
• Fasten the towline as far forward as possible on the upwind
or up-current side of the towing boat.
• Fastening it to the stern will restrict maneuverability of the
towing boat.
• If possible, use a bridle.
• Move slowly to prevent sudden strain on slack line.
• Be ready to cast loose or cut the line if the towing situation
becomes hazardous.
Vessel Being Towed
• Attach the towline to the bow eye.
• If the boat has eyebolts in the transom for pulling skiers, a
towline may be attached to a small bridle hooked to both
eyebolts.
• If it is necessary to be towed after being freed, keep someone
at the wheel to steer.
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