Fishing boat

A lifeboat is a small, motorized or motor-assisted, open or enclosed vessel used to ensure the safety of crew and passengers in emergency situations. Under international maritime regulations, particularly the SOLAS (Safety of Life at Sea) Convention and the LSA (Life Saving Appliances) Code, lifeboats are mandatory collective rescue devices.

The primary purpose of lifeboats is to enable the rapid and safe evacuation of all personnel and passengers from a vessel in emergencies such as fire, sinking, or collision. These vessels are equipped to provide essential life support during survival operations following an emergency.

Types of Lifeboats

Open Lifeboats

Open lifeboats are fully exposed, deckless vessels. They were commonly found on ships built before 1986. While some models are motorized, others are designed to be propelled by oars or sails. However, these lifeboats offer insufficient protection against rain, waves, and cold in adverse weather conditions. As a result, they have largely been replaced by partially enclosed and fully enclosed models in modern vessels.

Image of an Open Lifeboat (MEB)

Partially Enclosed Lifeboats

Partially enclosed lifeboats have a partially covered top, offering some protection against weather conditions and greater safety than open lifeboats. However, their use has declined significantly, and they have been entirely replaced by fully enclosed lifeboats on newly constructed vessels.

Image of a Partially Enclosed Lifeboat (MEB)

Full Enclosed Lifeboats

These lifeboats, now standard on modern ships, are completely enclosed and watertight. They are equipped with engines, seating harnesses, lighting systems, and ventilation mechanisms. Their hatches can be opened from both inside and outside and are self-righting. This design ensures the safety of occupants even in stormy seas.

Image of a Full Enclosed Lifeboat (MEB)

Free-Fall Lifeboats

These specialized lifeboats are mounted on a sloped ramp at the stern of the vessel and are released directly into the water with full crew onboard. They reach the sea at high speed and are preferred on vessels carrying hazardous cargo, particularly tankers. Their hulls are constructed from specially reinforced materials to withstand the intense impact forces during free fall.

Placement and Capacity Requirements

Lifeboats are evenly distributed on the port and starboard sides of the ship’s open decks. Access routes and lighting systems are specifically arranged for each lifeboat. Markings follow IMO (International Maritime Organization) symbols, and usage instructions are displayed in visible locations.

• cargo ships: Each side must carry lifeboats with sufficient capacity to accommodate all personnel on board.
• Short-sea passenger ships: Lifeboats must provide at least 30% of the total capacity. The remaining capacity must be supplemented by life rafts.
• Long-sea passenger ships: Total capacity must be sufficient to accommodate all passengers and crew.
• Passenger ships under 500 GRT and carrying fewer than 200 people: Life rafts of equivalent capacity may be used instead of lifeboats.

Lifeboat Equipment and Supplies

Lifeboats are not merely transport vessels but also survival environments. Therefore, their equipment is designed to address various emergency scenarios:

Navigation and Direction-Finding Equipment

• Compass
• Chart (for local area)
• Handheld flashlight and signal mirror
• Distress flares, hand-held signal lamps, smoke generators

Life Support Supplies

• Freshwater containers
• Food rations (durable emergency rations)
• First aid kit
• Thermal protective suits (TPA)
• Diving suits and life jackets

Propulsion and Manual Control Equipment

• Oars
• Boat hook
• Spare engine kit
• Sail (if applicable)

Firefighting and Evacuation Equipment

• Fire extinguisher
• Shovel and broom
• Seat belts
• Sea anchors and filters

The quantity and capacity of all equipment are scaled according to the number of persons the lifeboat is designed to carry.

Launching and Operation of Lifeboats

Lifeboats are lowered into the water using winch systems known as falls. These systems consist of rope drums, suspension hooks, and braking mechanisms. Free-fall lifeboats are released directly from a ramp along with their load.

Before boarding, all passengers must secure their seat belts, interior lighting must be checked, and the engine system prepared. Launching procedures follow specific protocols practiced weekly by the ship’s crew.

Maintenance, Inspection, and Certification

To ensure reliable operation, lifeboats must undergo regular maintenance as follows:

• Weekly maintenance: Engine test, fuel check, lighting inspection
• Monthly inspection: Replacement of missing equipment, battery and accumulator measurements
• Annual certification: Renewal of certification following inspections by authorized authorities

In addition, launching systems (falls, ropes, hooks) must be regularly lubricated, and all ropes must be replaced every five years.

Training and Drills

Under the STCW Convention, ship personnel are required to participate in practical training on the use of life-saving appliances at specified intervals each year. During these drills, lifeboat engines are started, and embarkation and disembarkation scenarios are simulated. The objective is to ensure crew readiness for emergency situations.

The lifeboat is a critical device for preserving human life in maritime transport. A lifeboat selected according to vessel type, designed in compliance with international safety standards, and properly equipped can determine the difference between life and death during a crisis. Therefore, its design, placement, equipment, maintenance, and training procedures must never be neglected.