1 Chapter 3 Navigating With Rules Mike Brough June 25 2008.

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Chapter 3 Navigating With Rules

Mike BroughJune 25 2008

Copyright 2005 - Coast Guard Auxiliary Association, Inc. 2

Chapter 3

Navigating with Rules


• General responsibility rule• No exoneration for neglect of

the rules• Departure from rules ok to

avoid collision

Navigation RulesPurpose: To prevent collisions between two boats!!


How To Prevent Collisions

• Practice good seamanship• Maintain a lookout• Maintain safe speed

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Navigation Rules

• They apply to everyone (No matter size or kind of vessel)

• Two groups• Steering and sailing rules “Driving rules”• Sounds, lights. & shapes “Nautical

communication system”


Navigation Definitions• Power driven - vessel propelled by

machinery• Sailing - vessel under sail (if engine is

used it is a power vessel)• Underway - not anchored, not attached

to shore, a pier, or aground• Constant bearing decreasing range -

this is a collision course

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Meeting Other Boats

• Give way vessel – required to change course and speed

• Stand on vessel – must maintain course and speed

• When do these apply?

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Responsibilities Between Vessels (Hierarchy)

• Vessel not under command• Vessel restricted in the ability to

maneuver• Vessel engaged in fishing (with a net)• Sailing vessel (no power)• Power driven vessel

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Meeting Head-On

PowerGive Way!

PowerGive Way!

PowerGive Way!

SailStand on!

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Crossing Situations

Power boatStand on

Power boatGive way Sail boat

Stand on

Power boatGive way

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Overtaking

Give way Stand on

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Sailboats Encountering Sailboats

Windward boat Leeward

boat

Wind direction

Wind direction

Wind direction


Wind On Same SideWind direction

Give way

WindwardLeeward


Wind On Different SideW

ind direction

Give way


Wind From SternGiveWay

Wind direction


Navigation Lights

• Side lights• Stern lights• Masthead light• All round white light

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Sail boats & manually powered boats less than 22 ft – single white light

Lights


Sailboat At Night

• Green or red only observed• May be a sailboat under sail• Give way

• Sailboat under sail only• Always stand-on except when overtaking

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SailStand on

PowerGive way

Give Way To Sailboat!

SailStand on

PowerGive way

SailStand on

PowerGive way

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Note: unlit space of several hundred yards between the lights on the bow and stern

Lights On Tows


Night Navigation

Give way

Stand on

Stand on

Give way

Give way

Give way Give way

Stand on


Night Navigation

• Make sure navigation lights work• Use all around light at anchor• Reduce speed• Proceed with caution• Be alert• Stop if visibility is severely restricted

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Sound Signals

• Why have Sound Signals?• When do you use them?

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Sound Signals

• Short blast: about one second long• Prolonged blast: 4 to 6 seconds• Danger Signal: 5 short blasts• Blind bend or corner: 1 prolonged blast

• Let Other Boaters Know Where You Are

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Sound Signal

• Inland Rules• Signals indicate intent • Require an answer of agreement

• International Rules• Signals indicate execution• No response required unless danger

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(Maneuvering)


Sound Signals

• Restricted visibility is when a boat is not in sight because of fog, rain, snow, sand storm etc.

• What will a powerboat underway sound?

• A sailboat?

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(Restricted Visibility)


Vessel Traffic ServiceVTS

• Traffic Separation Scheme

• “Separation Zone”1,000 + 500 + 1,000 yardsPort to Port 1.4 miles

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Chapter 3 Review


Review Exercises

• The vessel that according to the Navigation Rules must stay out of another vessel’s way and take early and substantial action to do so by altering course and/or speed is called the _____ vessel.

• Stand-on• In-danger• Give-way• High priority

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a

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Review Exercises

• When two powerboats meet bow-to-bow, which boat must stay out of the way of the other?

• The boat closest to the wind.• Both boats are give-way vessels.• The boat closest to a northerly heading.• The boat last to sound its maneuvering signal.

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Review Exercises

• A powerboat observing another vessel crossing its course from off its starboard side must:

• speed up to pass ahead of the other vessel.• maintain course and speed.• take early action to keep clear.• signal five short blasts on its whistle.

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a

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Review Exercises• When operating in a narrow channel, you

must keep your vessel:

• as close to the outer limit of the channel that lies to your starboard side as is safe and practicable.

• as close to the center of the channel as is safe and practicable.

• as close to the outer limit of the channel that lies to your port side as is safe and practicable.

• with the wind and current on your stern for best control.

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Review Exercises

• You are fishing for bluefish by trolling a lure behind your slow-moving boat. According to the rules you have:

• special privileges, providing you show the lights of a vessel engaged in fishing.

• priority of movement over all other vessels.• no special rights or privileges.• special privileges, for you are restricted in

maneuverability.

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a

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Review Exercises

• A sailboat with sails raised and operating using engine power is a:

• vessel not under command.• vessel restricted in her ability to maneuver.• fast vessel.• power-driven vessel.

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a

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Review Exercises

• If you see two white masthead lights in a vertical line, you should be prepared to take action because you are meeting a:

• surfaced submarine.• large sport fisherman.• vessel towing or pushing ahead.• night-time sail race.

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Review Exercises

• The signal used when you do not understand the other boater’s intentions is:

• 1 short blast of the whistle.• 5 or more short and rapid blasts of the whistle.• shouting “danger!” as loudly as possible.• rapid and constant waving of the arms.

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Review Exercises

• While operating in a thick fog, you hear one prolonged blast every 2 minutes. You proceed slowly and watch for a ____.

• vessel not under command.• vessel engaged in fishing.• sailing vessel underway.• powerboat underway making way.

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End Chapter 3 Rules

1 Chapter 3 Navigating With Rules Mike Brough June 25 2008.

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Transcript of 1 Chapter 3 Navigating With Rules Mike Brough June 25 2008.