The fire signal on a ship must be a continuous blast of the whistle or electrical bell for not less than 10 seconds.
Fire alarm signal on board ship.
The alarm must be loud enough to be heard in both interior and exterior spaces.
The minimum volume is defined both as an absolute value and also as a value louder than normal sounds in the area.
It must be loud enough to wake sleepers in cabins.
All must then go to their respective stations as the location of the fire is announced through the pa system.
From various places inside engine room.
The alarm signal is given both by the ship s whistle or siren and by onboard bells and klaxons.
The fire alarm a fire alarm consists of continuous ringing on ship s bell or continuous sounding of ship s horn.
From each deck in accommodation.
The fire alarm signal onboard ship is sounded as the continuous ringing of ship s electrical bell or continuous sounding of ship s horn.
Muster at our respective muster stations.
Fire alarm if there is continuous ringing of either the ship s electrical bell or horn seafarers know that there is fire on the ship.