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LIGHT FOR RESTRICTED IN ABILITY TO MANUVER
RED WHITE RED
DAY SHAPE FOR RESTRICTED IN ABILITY TO MANUVER
BALL DIAMOND BALL
SOUND SIGNAL FOR RESTRICTED IN ABILITY TO MANUVER
1 PROLONGED 2 SHORT
LIGHTS FOR VESSEL NOT UNDER COMMAND
RED RED
DAY SHAPE FOR VESSEL NOT UNDER COMMAND
BALL BALL
SOUND SIGNAL FOR VESSEL NOT UNDER COMMAND
1 PROLONGED 2 SHORT
LIGHTS FOR SAILING VESSEL
RED GREEN
LIGHTS FOR CONSTRAINED BY DRAFT
RED RED RED
DAY SHAPE FOR CONSTRAINED BY DRAFT
CYLINDER
SOUND SIGNAL FOR CONSTRAINED BY DRAFT
1 PROLONGED 2 SHORT
LIGHTS FOR FISHING
RED WHITE
DAY SHAPE FOR ENGAGED IN FISHING
TWO APEXES FACING EACHOTHER
SOUND SIGNAL FOR ENGAGED IN FISHING
1 PROLONGED 2 SHORT
DAY SHAPE FOR FISHING WHILE GEAR IS OUTLYING A MINIMUM OF 50 METERS
APEX FACING UP
LIGHTS FOR A PILOT VESSEL
WHITE RED
SOUND SIGNALS FOR A PILOT VESSEL
1 PROLONGED 4 SHORT
LIGHTS FOR A MINE CLEARANCE OPERATION
GREEN GREEN GREEN IN THE SHAPE OF A TRIANGLE
DAY SHAPE FOR A MINE CLEARANCE OPERATION
BALL BALL BALL IN THE SHAPE OF A TRIANGLE
LIGHTS OF AN ANCHORED VESSEL
WHITE
DAY SHAPE OF AN ANCHORED VESSEL
BALL
LIGHTS OF VESSEL AGROUND
RED RED
DAY SHAPE OF VESSEL AGROUND
BALL BALL BALL
SOUND OF DANGER SIGNAL
5 OR MORE SHORT BLASTS
ALTERING COURSE TO STARBOARD; I INTEND TO LEAVE YOU ON MY PORT SIDE
1 SHORT BLAST
ALTERING COURSE TO PORT; I INTEND TO LEAVE YOU ON MY STARBOAD SIDE
2 SHORT BLASTS
SOUND FOR VESSEL IN FOG, OR NEARING A BEND IN A CHANNEL WITH AN OBSTRUCTED VIEW
1 PROLONGED BLAST
SOUND FOR A VESSEL IN REDUCED VISIBILITY UNDERWAY BUT NOT MAKING WAY
2 PROLONGED BLASTS
SOUND FOR MANNED VESSEL BEING TOWED
1 PROLONGED 3 SHORT
SOUND FOR VESSEL OPERATING ASTERN PROPULSION
3 SHORT BLASTS
SOUND FOR I INTEND TO OVERTAKE YOU ON YOUR PORT SIDE
2 PROLONGED 2 SHORT
SOUND FOR I INTED TO OVERTAKE YOU ON YOUR STARBAORD SIDE
2 PROLONGED 1 SHORT
DAY SHAPE IF A TOW EXCEEDS 200M
DIAMOND
LIGHTS FOR VESSLE IN SIDE TOW OR PUSHING AHEAD
YELLOW YELLOW
LIGHTS FOR VESSEL IN ASTERN TOW
YELLOW WHITE
SOUND AGREEMENT TO OVERTAKING
1 PROLONGED 1 SHORT 1 PROLONGED 1 SHORT
SOUND FOR SAILNG VESSEL UNDERWAY
1 PROLONGED 2 SHORT
SOUND FOR WARNING POSITION WHILE AT ANCHOR
1 SHORT 1 PROLONGED 1 SHORT
SOUND FOR TOWING VESSEL
1 PROLONGED 2 SHORT
SOUND FOR PILOT ON PILOT DUTIES
4 SHORT BLASTS
BELL SIGNAL FOR AN ANCHORED VESSEL
RAPID RING FOR 5 SECONDS
BELL SIGNAL FOR VESSEL AGROUND
3 CALM RINGS, 5 SECOND RAPID RING, 3 CALM RINGS
FLAG SHIPS PUT UP WHEN BEING OCCUPIED BY THEIR WORK
INTERNATIONAL CODE FLAG “A”
LIGHTS FOR A VESSEL ENGAGED IN DIVING OPERATIONS
RED WHITE RED
LIGHTS FOR COMMERCIAL AND GOVERNMENT SANCTIONED PUBLIC SAFETY VESSELS (salvage)
FLASHING RED AND YELLOW LIGHTS
LIGHTS FOR LAW ENFORCEMENT
FLASHING BLUE LIGHT
MAST LIGHTS FOR A TOWING VESSEL AT MORE THAN 200M TOW
3 WHITE MAST HEADLIGHTS