Nav Rules Flashcards
Rule 2
Responsibility
Rule 5
Look out
Rule 6
State of visibility
Traffic density
Draft of vessel in relation to draft of water
Background lighting
Maneuverability
Weather
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the characteristics, efficiency and limitations of the radar equipment;
any constraints imposed by the radar
range scale in use;
Sea state interference
Small vessels and ice may not show up on radar
the number, location and movement of vessels detected by radar;
Can be used to get a more accurate assessment of range of vessels and other objects in the vicinity
Rule 7
Risk of collision
-If you think risk of collision exists it does
-if you have radar use it
-don’t rely on scanty information
-cbdr
- may still exist with appreciable course change when vessel is large in size or maneuvering in close proximity
Rule 8
Actions to avoid collision
-done in ample time
-be large enough to be noticed
-if there is enough room course change alone may be enough if it doesn’t put you in another situation
-pass at a safe distance
-in necessary slacken speed or take all way off
Rule 13
Overtaking
-22.5 abaft her beam
Rule 14
Head on situation
Rule 15
Crossing situation
-2 power driven vessels
-if the other vessel is on your starboard stay out of the way
Rule 16
Action of the give way vessel
Rule 17
Action of the stand on
-shall maintain course and speed
-may take action by moving only when the other vessel is not taking appropriate actions to avoid collision
-shall take action by any means if by maneuvering alone will not avoid collision
- don’t alternate course to port with a vessel on your port
-does not relieve the give way vessel of responsibility
Rule 18
Hierarchy between vessels
NUC
RAM
CAN
Fishing
Sailing
Power driven
Seaplane
Wig
Rule 19
Restricted visibility
-not in sight of another
-safe speed with engines ready to maneuver
-take action in ample time
-avoid altering course to port with a vessel forward of the beam
-alteration of course towards a vessel abeam or abaft the beam
