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Nautical Rules Study Guide

This document provides definitions and summaries of key concepts in navigation rules and vessel operations: 1) It defines various types of vessels such as power boats, sailing vessels, vessels engaged in fishing or restricted in ability to maneuver. 2) It summarizes lighting requirements for vessels depending on their status, including which vessels never show sidelights or sternlights and which show specific light combinations. 3) It outlines the order of priority that vessels must give way to others in various situations, such as power-driven vessels giving way to sailing vessels.

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George Hernandez
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560 views2 pages

Nautical Rules Study Guide

This document provides definitions and summaries of key concepts in navigation rules and vessel operations: 1) It defines various types of vessels such as power boats, sailing vessels, vessels engaged in fishing or restricted in ability to maneuver. 2) It summarizes lighting requirements for vessels depending on their status, including which vessels never show sidelights or sternlights and which show specific light combinations. 3) It outlines the order of priority that vessels must give way to others in various situations, such as power-driven vessels giving way to sailing vessels.

Uploaded by

George Hernandez
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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NAV Rules/DWO Study Guide

Courtesy of BMCM David A. Coffman


www.boatswainsmate.net
Definitions
Vessel: Watercraft capable of being used as transportation on the water.
Power Boat: A mechanically propelled vessel.
Composite Unit: A special two part hull that when joined by hydraulic rams or
mechanical means, is considered a powerboat rather than a towing
situation.
Sailing Vessel: Any vessel under sail provided propelling machinery, if fitted, is not
being used.
Engaged in Fishing: A fishing vessel that because of her fishing gear, cannot maneuver
as required by the rules.
Not Under Command: (NU! A vessel that because of some e"ceptional circumstance,
cannot maneuver as required by the rules.
Restricted In !ilit"
#o $ane%&er: (#A$! A vessel that because of her deep draft and the depth of
the channel, cannot maneuver as required by the rules.
(%nternational #ules &nly!
$emor" 'oggers
'lue, 'lue, 'lue, he got you ( )*+ vessel, inland rules only.
,ellow over ,ellow, a hip or pushing fellow ( stern lights, inland rules only.
,ellow over White, my towing hawsers tight ( stern lights, anywhere.
,ou-ve got to have a lot of balls to be aground ( the day shape being three blac. balls.
#ed over White, fishing at night ( not trolling.
/reen over White, trawling at night ( not trolling.
#ed over #ed, the captain is dead0 not under command.
#ed over /reen, sailing machine ( optional lights.
onstrained by draft beer ( the day shape being the shape of a .eg, international only.
White over #ed, pilot ahead, on pilotage duty.
Disclaimer: Any study uide may !a"e incorrect information# as e"eryone is !uman... $!is is w!y it is critical t!at
you read t!e a%%ro%riate manuals w!en studyin# not &ust read t!e study uides. 'f you find somet!in
wron# notify t!e study uide aut!or so t!ey can u%date it and submit a corrected co%y.
NAV Rules/DWO Study Guide
Courtesy of BMCM David A. Coffman
www.boatswainsmate.net
NVRU(ES $E$)R* IDS
#he following &essels E+#IN,UIS- their SIDE . S#ERN (I,-#S when N)# $/IN,
0*:
Not Under ommand Never
1ishing 1orget
2rawling 2his
#estricted in ability to maneuver #ule
#he following &essels ne&er ha&e $S#-ED (I,-#S:
Not under command No
3ailing 3ources
1ishing 1or
4ilot 4ower
Also a vessel being towed, a vessel at anchor or aground, and tugboats on western rivers.
#he following &essels ne&er ha&e NC-)R (I,-#S:
5redging or underwater operations 5on-t
1ishing 1orget
2rawling 2his
+ngaged in their operation +ither
In the following ta!le1 a &essel m%st ,IVE 0* to an" &essel a!o&e it on the list or
pec2ing order:
&verta.en &ften
Not under command Non
#estricted in ability to maneuver #ates
onstrained by draft an (if case permits, international only!
1ishing 1ool
3ailing 3enior
4ower 5riven 4eople
3eaplane 3ometimes
Sailing Vessel R%les:
3tarboard 3emper
over
4ort 4aratus
)eeward )ives
over
Windward We
3ailing vessel pec.ing order 3ave
Disclaimer: Any study uide may !a"e incorrect information# as e"eryone is !uman... $!is is w!y it is critical t!at
you read t!e a%%ro%riate manuals w!en studyin# not &ust read t!e study uides. 'f you find somet!in
wron# notify t!e study uide aut!or so t!ey can u%date it and submit a corrected co%y.

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