Recognised by 7 short ringings of the bell or horn signal followed by a long ring.

GENERAL ALARM

If there's a fire, its crew should raise the alarm signal by pressing the nearest fire switch, ringing continuously.

FIRE ALARM

Recognized by 3 long rings to notify the crew onboard when a man falls overboard, along with 3 long blasts on the ship.

MAN OVERBOARD
ALARM

When the emergency on board ship goes out of hand, the signal for abandon ship is given verbally by captain.

ABANDON SHIP
ALARM

If a navigational equipment malfunctions, a continuous alarm signal on the bridge will be sounded.

NAVIGATIONAL
ALARM

If any machinery in the engine room malfunctions, a common engine room alarm notifies the engine officer on duty.

MACHINERY SPACE
ALARM

A distinct alarm activates on opening the release cabinet door, which is used to release the CO2 bottle banks.

MACHINERY SPACE
CO2 ALARM

The ship’s cargo spaces are also fitted with a fixed firefighting system that has a distinct alarm when operated. 

CARGO SPACE
CO2 ALARM

It is silent sounded in a pirate attack, notifying different coastal authorities about it via a global satellite system.

SHIP SECURITY
ALARM SYSTEM

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