A slashing hand motion over the neck by a waterskiing participant means cut the motor or stop.
On gasoline powered boats, the blower should be operated after refueling and before starting the engine.
Taken from Boatus.org----
Bilge Blowers are specifically designed to clear gasoline fumes from closed compartments. They are ignition protected to prevent sparks, and are built to resist overheating and corrosion. The size blower you need is determined by the volume of your engine compartment. It is recommended that you use a blower at least 4 minutes before you ever start the engine, and especially after fueling.
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a date and time to contact the authorities.
The purpose of filing a float plan is to provide important information in case of an emergency. A float plan includes a description of your boat, who is on board, a description of the safety equipment you are carrying, where you expect to be, and when you expect to be there. Instruct the person holding the float plan to notify the Coast Guard or other appropriate agency if you do not return within a reasonable time after your scheduled arrival (taking into account weather, etc.).
A float plan should contain the following information: 1. Date. 2. Time to contact the authorities.
When retrieving a boat at a ramp avoid power loading onto the trailer.
Head into the waves at a slight angle and reduce speed
Holding up a ski after falling
The loss of body heat when in the water
Prevent Propeller Strikes
a PFD for everyone aboard
Clearance height under the bridge
Striking a person in the water with a propeller
leaking fuel lines
Examination of thru-hull fittings for signs of leakage or corrosion
Height of the tide
overtaking boats are give-way boats
Constant oil changes must be made. Periodic parts must be exchanged, especially those made of zinc. Debris accumulated in the engine must be removed. Search for possible leaks in the engine.
Rapid, uncontrolled breathing.