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Life Rafts

Inflatable Life Raft (SOLAS-B)

A SOLAS-B life raft carries a reduced survival equipment pack compared with SOLAS-A, reflecting the shorter time to rescue expected on the voyages it is approved for — the same inflatable shelter and canopy, but with less on board while survivors wait.

DSB Marine
Knowledge

What to check on an Inflatable Life Raft (SOLAS-B).

7 models from DSB Marine in Inflatable Life Raft (SOLAS-B). Below: the full model list.

What sets a SOLAS-B raft apart from SOLAS-A

Both packs use the same style of inflatable raft — canopy, buoyancy tubes, boarding ramp, righting strap — and both must meet the same LSA Code performance requirements for inflation, capacity and stability in the water. The difference is entirely in what is packed inside. A SOLAS-A pack is built for voyages where rescue could take longer, so it carries a fuller equipment set, including a larger water and food ration, more pyrotechnics, and additional survival aids. A SOLAS-B pack strips this back to a reduced list, reflecting the shorter expected time to rescue on the voyages it is approved for. Choosing SOLAS-B is a decision about the ship's trading area, not a lower-quality raft.

Inflatable life raft cross-section (SOLAS-B)
Cross-section of an inflated SOLAS-B life raft afloat, showing the buoyancy tube, the canopy, the boarding ramp, water ballast pockets beneath the floor, the inflation cylinder, and the painter line with its hydrostatic release unit.

Legend

  1. canopy
  2. painter line and HRU
  3. buoyancy tube
  4. equipment pack (SOLAS-B)
  5. inflation cylinder
  6. water ballast pocket
  7. boarding ramp

Main components

Buoyancy chamber and canopy

Dual, independently inflatable buoyancy tubes and an insulated canopy that inflates automatically with the raft, giving protection from wind, spray and sun once boarded.

Painter line and hydrostatic release unit

The painter triggers inflation when paid out and, together with a hydrostatic release unit on the cradle, allows the raft to float free and inflate automatically if the ship sinks before it is launched by hand.

Read the full guide

Equipment pack (SOLAS-B specific)

A reduced pack against the SOLAS-A list: it still includes essentials such as a bailer, sponge, paddles, repair kit, first aid kit, seasickness tablets, and signalling equipment, but with lower quantities of items like water, food rations and pyrotechnic distress signals than a SOLAS-A pack for the same raft capacity.

Cradle and stowage

Holds the raft ready for launch, typically with a weak link and hydrostatic release arrangement so the raft is not dragged down with a sinking ship.

Selection and sizing

Selection is governed by the ship's certificated area of operation as much as by capacity:

  • Whether the ship's trading pattern qualifies for SOLAS-B equipment under flag and class rules, typically tied to short international voyages or defined coastal areas
  • Rated capacity against the ship's maximum complement, with enough rafts of the fitted capacity to cover the total persons on board plus any required margin
  • Servicing interval and the location of an approved service station on the ship's normal trading route
  • Deck stowage arrangement and launching method, davit-launched or throw-overboard, suited to freeboard and available deck space

Regulations and class

SOLAS Ch. III and the LSA Code set both the raft's performance standards and the exact contents lists for SOLAS-A and SOLAS-B equipment packs. Servicing is required at intervals set by the manufacturer's approval, generally not exceeding twelve months, at a station approved for that raft type, with hydrostatic release units and painter systems checked and renewed on their own separate schedules. Flag administrations decide which ships and voyages may carry SOLAS-B rather than SOLAS-A equipment.

Typical faults

FaultConsequence
Service overdue at the annual station visitRaft certificate lapses, and the ship may not be permitted to sail without a valid raft
Hydrostatic release unit past its expiry dateRaft may not float free and inflate automatically if the ship sinks before manual launch
Cradle corrosion or lashing wrongly re-secured after servicingRaft fails to release cleanly during an actual launch
SOLAS-B raft carried on a voyage that actually requires SOLAS-A equipmentNon-compliance found at port state control, and a genuine shortfall in survival equipment if the raft is ever used

What to look for in a supplier

  • Approval certificate confirming SOLAS-B contents match the current LSA Code list for the raft's capacity
  • Service station network covering the ship's actual trading pattern, not just the home port
  • Clear labelling distinguishing SOLAS-A and SOLAS-B stock where a ship's stores hold both types
  • Documented history of hydrostatic release unit and cradle condition if buying a raft already in service

Confirm which pack, SOLAS-A or SOLAS-B, is actually loaded in each raft rather than assuming from the raft's outer case — the two are visually similar and mixing them up on a voyage that requires SOLAS-A is a real port state control finding.

Models

Models in this type.

The best-documented model of each manufacturer first, then the next — 7 of 7 models in Inflatable Life Raft (SOLAS-B). Every row links to full specifications, documents and service notes.

Showing only DSB Marine. Show all manufacturers
7 models
By manufacturer

Manufacturers.

All 15 manufacturers with models of Inflatable Life Raft (SOLAS-B). Names with a manufacturer page open it; the others open a search across the full library.

All manufacturers in the library
More than the data sheet shows

Write to us about this model — the answer comes by e-mail.

Name the make and the model and what the job is: a spare, a service call, a second opinion on a data sheet. We answer by e-mail.

No details at hand? A photo of the rating plate or the part is enough — simply attach it to the request.

Frequently asked

Questions that come up with this equipment.

Is Inflatable Life Raft (SOLAS-B) data free?

Yes. Every model page, every guide and every datasheet for this type is readable without an account. An account adds saved searches and requests, nothing is taken away.

My model is missing — what now?

Send us the nameplate. We identify it by hand, add it to the library, and if you need a part or a service, the request is already on our desk.

Can you source a Inflatable Life Raft (SOLAS-B) part?

Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.