COLREGs - Fog & Manoeuvring Signals Flashcards
Fog, Manoeuvring & Warning signals, as well as equipment details, as per the COLREGs
What is this signal used for?
ECHO - One short blast / flash, I am altering course to STARBOARD
What is this signal used for?
INDIA - Two short blasts / flashes, I am altering course to PORT
What is this signal used for?
SIERRA - Three short blasts / flashes, I am operating ASTERN propulsion
What is this signal used for?
Five short blasts / flashes, I have failed / don’t understand your intentions OR your action is not sufficient to avoid collision
What is this signal used for?
Narrow Channel - Two prolonged followed by one short blast, I intend to overtake you on your STARBOARD side
What is this signal used for?
Narrow Channel - Two prolonged followed by two short blasts, I intend to overtake you on your PORT side
What is this signal used for?
Narrow Channel - CHARLIE - One prolonged, one short, one prolonged, one short, I agree with your intent to overtake me
What is this signal used for?
Narrow Channel - One prolonged blast, I am approaching a bend or an obstructed part of the channel
Restricted Visibility - One prolonged blast at intervals not exceeding 2 minutes, a power driven vessel underway & making way
What is this signal used for?
Restricted Visibility - Two prolonged blast at intervals not exceeding 2 minutes, a power driven vessel underway BUT not making way
What is this signal used for?
Restricted Visibility - One prolonged followed by two short blasts at intervals not exceeding 2 minutes, a vessel NUC, a vessel RAM, a vessel CBD, a sailing vessel, a vessel engaged in fishing, a vessel engaged in fishing at anchor, a vessel engaged in towing or pushing
What is this signal used for?
Restricted Visibility - One prolonged followed by three short blasts, if towed vessel is manned, sounds this immediately after the towing vessels signal
What is this signal used for?
Restricted Visibility - Three short and distinct strokes of the bell, followed by 5 seconds of rapid ringing of the bell, followed by three short and distinct strokes of the bell, followed by immediately after the bell 5 seconds of rapid ringing of the gong, at intervals not exceeding one minute, a vessel over 100m aground
What is this signal used for?
Restricted Visibility - Three short and distinct strokes of the bell, followed by 5 seconds of rapid ringing of the bell, followed by three short and distinct strokes of the bell, at intervals not exceeding one minute, a vessel under 100m aground
What is this signal used for?
Restricted Visibility - 5 seconds of rapid ringing of the bell, at intervals not exceeding one minute, a vessel under 100m at anchor
What is this signal used for?
Restricted Visibility - 5 seconds of rapid ringing of the bell, followed by immediately after the bell, 5 seconds of rapid ringing of the gong, at intervals not exceeding one minute a vessel over 100m at anchor
What is this signal used for?
Restricted Visibility - Four short blasts on the vessel’s whistle (after either one prolonged, two prolonged or 5 seconds of rapid ringing of the bell), to identify as a pilot vessel
