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The procedure used to right a capsized craft and return it to a safe, controllable condition. Methods depend on craft design, crew numbers and whether the boat is inverted, swamped or carrying sails. Crew must stay with the craft where appropriate, account for everyone, avoid entrapment and use the centreboard, righting lines or powered assistance…
An alternative means or procedure for controlling a vessel’s direction after failure of the normal steering system. Arrangements may include local control at the steering gear, an emergency tiller, independent hydraulic power or improvised methods appropriate to the vessel. They must be understood, maintained, tested and practised before an emergency occurs.
A removable or dedicated tiller used to turn the rudder when the normal steering linkage or system fails. It usually fits directly to the rudder stock or an emergency steering head. Access, usable leverage and safe crew position should be checked in advance because loads can be high and cockpit structures or steering components may…
The coordinated manoeuvre and equipment use required to locate, reach and recover a person from the water. Immediate priorities include raising the alarm, keeping the casualty in sight, marking the position and controlling the vessel. The chosen approach and recovery method depend on vessel type, conditions and crew, and must address the difficulty of lifting…
A recognised signal indicating grave and imminent danger and a need for immediate assistance. Maritime distress signals include specified radio alerts and calls, visual signals, pyrotechnics and other internationally recognised forms. They must not be used casually, and any received distress indication should be treated according to applicable search-and-rescue and radio procedures.
An area that may be swept by a mooring line or fitting if a heavily loaded line parts or pulls free. The shape of the danger area depends on the line’s lead, elasticity, attachment points and nearby fittings, and it may not be a simple straight line. Crew should keep out of likely recoil paths,…
The Global Maritime Distress and Safety System used for automated alerting and coordinated maritime safety communication. GMDSS combines terrestrial and satellite equipment and services, including DSC, EPIRBs, NAVTEX and safety-information broadcasts. The equipment required depends on the vessel and sea area, and operators must use the correct distress, urgency and safety procedures.
A readily accessible emergency bag containing selected survival, communication and essential personal items for abandoning or evacuating a vessel. Contents may include portable distress beacons or radio, flares, torch, water, food, first aid, thermal protection, medication, documents and equipment that supplements the liferaft or survival craft pack. It should be waterproof or protected, identifiable, portable…
An instrument displaying water depth or the measured distance beneath a vessel from an acoustic transducer or other sensor. Most small-craft depth instruments are echo sounders that time a sound pulse reflected from the seabed. The display may be offset to show depth below the transducer, below the keel or an estimated total depth. The…
Attached to a stay by individual hanks that slide or clip around the stay as the sail is raised or lowered. Headsail hanks may be piston, snap, soft or other designs spaced along the luff. They keep the sail connected to the forestay while allowing it to be changed, reefed by substitution or lowered to…
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