8/12/2019 NavRules StudyGuide Coffman

1/2

NAV Rules/DWO Study GuideCourtesy 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 towingsituation.

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 ofthe 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!inwron# notify t!e study uide aut!or so t!ey can u%date it and submit a corrected co%y.

8/12/2019 NavRules StudyGuide Coffman

2/2

NAV Rules/DWO Study GuideCourtesy 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 Never1ishing 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-t1ishing 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:

&vertaen &ften

Not under command Non

#estricted in ability to maneuver #atesonstrained by draft an (if case permits, international only!

1ishing 1ool

3ailing 3enior

4ower 5riven 4eople3eaplane 3ometimes

Sailing Vessel R%les:

3tarboard 3emper

over

4ort 4aratus

)eeward )ives

overWindward We

3ailing vessel pecing 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!inwron# notify t!e study uide aut!or so t!ey can u%date it and submit a corrected co%y.