1. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Chapter 4
Handling Your Boat
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2. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Lesson Objectives
1/3 rule & fueling
Gas in bilge
Propeller operation & selection
Boat maneuvering & trimming
Boat loading/safe conduct
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3. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Lesson Objectives (2)
Man overboard/pre-trip checks
Departing & returning to a dock
Anchoring
Towing a skier
Adverse weather
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4. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Fueling Your Boat
What should you do prior to fueling?
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5. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Fueling Your Boat
Turn of engines
Close doors/hatches
Turn off electrical equip.
Extinguish open flames; no smoking
Turn off galley heaters and stoves
Instruct crew on safe practices
Ground fuel nozzle to boat prior to pumping and keep it grounded while pumping
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6. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Fueling Your Boat
What are some steps to take after fueling?
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7. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Fueling Your Boat
Open doors/hatches.
Run blower 4 minutes.
Clean up fuel spills.
Sniff for fumes.
Have a fire extinguisher at hand.
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8. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Fueling Your Boat
Gas in bilge
Portable gas tanks
Fill on dock after grounding
Remove from pick-up bed and ground before filling
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9. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Fuel Usage
1/3 rule for round trips
1/3 tank for trip out
1/3 tank returning home
1/3 tank in reserve
Refueling along the way
Calculate fuel consumption and allow for reserve
20% reserve
10% reserve
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10. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Your Boat’s Propeller
Diameter
Pitch
Size
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11. Propeller Characteristics
Who can describe how a twin screw propeller works?
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12. Propeller Characteristics
What is the function of the shear pin?
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13. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Shear Pin or Slip Hub
Weak point in connection of propeller to shaft
Breaks before drive shaft and gears are damaged.
Propeller often destroyed first
Carry spares
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14. Propeller Characteristics
Cavitation
bubbles of partial vacuum that appear around blades due to a small prop
or too much pitch.
Ventilation
air sucked down into the blades.
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15. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Propeller Selection
How do you select a propeller?
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Steering
How does driving a boat differ from driving a car?
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17. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Steering
Car
Front wheels steer in direction you want to go
Boat
Stern steers in opposite direction
Use spring line to control movement
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Steering
Pivot point
Stopping a boat
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Steering
Single inboard engines
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20. Single Propeller vs. Twin Propellers
Advantages?
Disadvantages?
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21. Twin Propellers Steering techniques
Steer with rudder when at speed
Use differential prop thrust at dock
Use both rudder and thrust to walk sideways
Forward on port, reverse on starboard to swing bow to starboard
Since forward prop has more thrust, rudder to port with above also moves stern to starboard
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22. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Tilt Adjustment
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Jet Drives
Propulsion
Steering
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Loading Your Boat
What are some considerations?
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25. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Loading Your Boat
Balance
Trim
Don’t overload; what sea condition
Secure load so does not shift
Safety
No riding on gunwale, seat backs, transom or bow
Don’t stand
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26. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Before You Go
Brief guests
Get weather report
Check emergency equipment
Check gas and oil
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Engine Start Up
What are things to check when starting the engine?
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Undocking Situations
Leaving dock / wind and current off dock
Demonstrate
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Undocking Situations
Leaving dock wind and current on bow
Demonstrate
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Undocking Situations
Leaving dock wind and current on bow
What if wind and current on stern?
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31. Turning in Narrow Channel
Wind on stern
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32. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Watch Your Wake
May cause damage
Obey No Wake Zones
Liability
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33. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Man Overboard
What actions do you take?
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34. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Man Overboard
Sound alarm indicating which side the person fell over. (Helm turns toward that side, moving stern away)
Deploy throw cushion or life ring.
Maintain a spotter
Turn boat around.
Approach PIW slowly with bow in wind
Engines in neutral
Prepare ladder
Retrieve PIW
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35. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Docking
No wind
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Docking
Wind off dock
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Docking
Wind on dock
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38. Mooring to Permanent Anchor
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Anchoring
Rode
Shackle
Thimble
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Anchoring
Why are anchors different?
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Types of Anchors
Bruce
Fisherman
Plow
Danforth
Spade
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42. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Anchoring
Carry two anchors
Check bottom
Use correct scope
Check your position
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Anchoring
What is proper scope in calm water?
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Anchoring
What are the steps to deploy anchor?
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Anchoring
Boat’s Motion
Lowering Anchor
Setting Anchor
Anchor Dragging
Deck Fastenings
Checking Position
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46. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Towing a Skier
Have an observer
Good towline
Signaling
Obey the rules
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47. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Towing a Skier
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Heavy Weather
Running into a sea
Running in a beam sea
Broaching
Running in a following sea
Pitchpoling
Yawing
Using a drogue
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Impaired Visibility
Fog
Rain
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Narrow Inlets
Hidden shoals
Hidden cross currents
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Small Boat Safety
Avoid moving
Keep low to move
Wear life jacket
Check weather
Load boat carefully
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52. Copyright 2007 - Coast Guard Auxiliary Association, Inc.
Running Aground
Check for leaks
Raise outboard
Move passengers to stern
Try rocking boat
Place anchor astern and pull off
Call for assistance
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53. Environmental Concerns
Follow markers
Don’t stir up bottom
Use proper anchoring technique
Properly dispose of waste
Beware of oil and fuel spills
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