COLREGS Flashcards
VESSEL RESPONSIBILITY RULES
who gives way to who?
NUC RAM COD FISH SAIL POWER WIG
HEAD ON SITUATION - WHAT TO DO?
TURN TO STARBOARD
WHAT TO DO IN A CROSSING SITUATION?
AVOID CROSSING AHEAD OF VESSEL
Action by give way vessel
keep out of the way of the other vessel as far as possible
take early and substantial action
Rule 2
Responsibility
1 - rules
these rules apply to all vessels upon the high seas that are nav’d by seagoing vessels
2- responsibility
nothin exonerates any vessel and its operator the consequences of neglect
you can depart from these rules if in imminant danger
low pressure dropping rapidly
deteriorating weather
3 - definitiions
PDV SV VEIF VRIATM VCBHD U RV
4 - conditions of vis
conditions of visibility
5 - lookout
every vessel maintains a proper lookout by sight and soundas well as by all available means
6 - safe speed
take into account vis traffic Manoeuverability background lights & scatter weather draft in relation to depth of water
7 - risk of collision
Every vessel shall use all available means
appropriate to the prevailing circumstances
and conditions to determine if a risk of collision
8 - action to avoid collision
Any action taken to avoid collision shall, if the circumstances of the case admit, be positive,
made in ample time and with due regard to the observance of good seamanship.
9 - narrow channels
A vessel proceeding along the course of a
narrow channel or fairway shall keep
as near to the outer limit of the channel or
fairway which lies on its starboard side as is safe
and practicable.
anchor light size and colour
white round ball
port and starboard light angles?
112.5 deg
stern light is?
white, 135 deg
red and white light?
‘fishing tonight’
fishing vessel
white over red
PILOT AHEAD
vessel being piloted into channel
3 short blasts
sound signal - going astern
sound going around a bend?
one long
in fog , not making way - sound?
2 long every 2 min
1 short blast sound
altering to starboard
5 short blasts sound?
in doubt of vessels intentions
sounds:
towing vessel
nuc
1 long , 2 short
distress signals?
gun fired every minute
flare - parachute red
v sheet
smoke orange daylight only
wave arms
morse code using light
horn
epirb
crossing situation?
make cross at 90 degrees
10 traffic seperation scheme
traffic separation scheme
not impede if under 20m
sailboat
fishing boat
avoid anchoring in the scheme
11 vessels in sight of eachother
vessels in sight of one another
12 sailing vessels
sailing vessels - risk of collision
keep out of the way of eachother
vessel windward will keep clear if wind on the same side
wind over port, keep clear of starboard side
13 overtaking
overtaking:
any vessel overtaking keeps out of the way of the boat overtaking
overtaking vessel always keeps clear
duration of a short blast?
1-2 seconds
definition of a long blast?
6 seconds
pilot ships day shape
a red ‘hotel’ flag
14 head on situation
head on situation:
each shall alter its course to starboard
take early action to alter course to starboard
15 crossing situation
both vessels to starboard
give way vessel pass astern
avoid crossing ahead of vessel
16 action by give way vessel
take early and substantial action and keep clear
17 action by stand on vessel
maintain course and speed
take action to avoid collision if needed, action must not be an alteration to port in crossing situation
18 responsibilities between vessels
Not under command - NUC
Restricted in her ability to manoever - RAM
Constrained by draught - COD
fishing - fish
sailing - sail
power driven - power
wing in ground vessel - wig
19 conduct vessels in restricted visability
nav in restricted vis
every vessel approach at safe speed
power driven vessels be ready to move
every vessel that hears a fog siren shall reduce speed to minimum
nav lights
masthead - 225
port light - 112.5
starboard light - 112.5
sternlight - 135
towing light (yellow) - 135
2 black balls
nuc
2 red
ram shape and light
black ball diamond ball
red white red
draft shape and light
black can
red, red ,red
fishing shape and light
eastern black trianlge
red, white (fishing tongiht)
trawling shape and light
eastern balck traignle
green over white
towing
black diamond
2 white
at anchor
one black ball
one white light
aground
3 black balls
2 red lights, one white light
red white red light
ram
3 red lights
constrained by draft
1 short blast
starboard
2 short blasts
port
3 short blasts
stern
5 or more blasts
dont know what youre doing
port and starboard light seq?
quick flashing
north cardinal marker
black yellow
2 north triangle
constant whhite light
east cardinal marker
black, yellow, black
up/down triangle
3 quick flash, 5 s
south cardinal marker
yellow, black
2 downward triangle
6 quick flash 10 s
west cardinal marker
yellow, black yellow
down, up triangle
9 quick white flash, 10s
2 black balls
isolated danger mark, stay away
2 flash, 2 sec pause
black, red, black, red pole
safe water marker
long flash every 10 sec
special marker
yellow cross
1 flash, long pause
4 q flash, 4 s pause
