The alarm must be loud enough to be heard in both interior and exterior spaces.
Fire alarm signal on board ship.
The alarm signal is given both by the ship s whistle or siren and by onboard bells and klaxons.
The fire alarm signal onboard ship is sounded as the continuous ringing of ship s electrical bell or continuous sounding of ship s horn.
Actions to be taken by the squads.
It must be loud enough to wake sleepers in cabins.
From various places inside engine room.
The fire alarm a fire alarm consists of continuous ringing on ship s bell or continuous sounding of ship s horn.
Muster at our respective muster stations.
From each deck in accommodation.
The fire signal on a ship must be a continuous blast of the whistle or electrical bell for not less than 10 seconds.
All must then go to their respective stations as the location of the fire is announced through the pa system.
2 for dismissal from fire alarm stations the general alarm must be sounded three times supplemented by three short blasts of the vessel s whistle.