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Model LH-100 twin-fall lifeboat launching davit with a maximum safe working load of 10,000 kg.

Inflatable Life Raft (SOLAS-A) · Life Rafts

Technical data from manufacturer or class sources · not yet verified by a person​​​​‍​‍⁠‌‌⁠⁠‍​​​⁠​‌⁠
Persons capacity per SOLAS certificationCapacity
Crew EvacuationMedium

The Viking LH‑100 is a twin‑fall lifeboat launching davit designed to launch SOLAS A life rafts with a maximum safe working load of 10 000 kg, offering redundant fall lines and integrated hydrostatic release.

Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

Annual servicing at an approved service station is MANDATORY (SOLAS/MSC.1/Circ.1328). HRU replacement at the manufacturer's interval (typically 2 years). Liferaft replacement/recertification every 5 years.

Inspection

Common failures & inspection points

Inspection

Inspector Detail

Common issues

  • Note: the order data tags this as a 'SOLAS A Life Raft' - the description is actually of the LH-100 launching davit (10,000 kg SWL, twin-fall), not a life raft itself. Content below covers the davit/launching appliance.
  • Wire fall corrosion or broken strands reducing residual strength
  • Winch brake wear or contamination reducing holding capacity
  • Limit switch failures allowing over-travel or preventing normal operation
  • Structural corrosion at davit arm pivot points and base
  • On-load release gear (hook) mechanism seizing or requiring excessive force to operate
  • Hydraulic or electric winch motor faults

Inspection checklist

  • Carry out the monthly visual inspection required under the LSA Code/SOLAS III
  • Inspect wire falls for broken wires, corrosion and correct reeving
  • Test the winch brake holds the maximum load statically per the maker's/class test procedure
  • Function-test limit switches and interlocks
  • Carry out the annual thorough examination of the davit structure and falls
  • Confirm the on-load release gear has had its 5-yearly overhaul per SOLAS/maker's instructions
  • Carry out the operational (lowering) test at the required interval and log it
  • Check the davit arm and pivot structure for corrosion or deformation
  • Verify the load test/dynamic test certificate (1.1x SWL type test, periodic per class) is current

Service intervals

Monthly operational check/visual inspectionmonthly per LSA Code
Annual thorough examination12 months
Winch brake load testalongside the periodic (typically 5-yearly) dynamic load test - confirm exact interval with class/flag
On-load release gear overhaul5-yearly per SOLAS/maker's instructions
Wire fall replacementper maker's/class condition criteria, commonly around 5 years or sooner if condition dictates - confirm rather than assume a fixed figure

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Critical spares

  • Wire falls matching the davit's rated diameter and construction
  • Winch brake linings/friction material
  • Limit switches
  • On-load release gear overhaul kit (seals, pins, springs per maker)
  • Hydraulic seals if the winch is hydraulically powered

Safety

  • Fall of preload/live load during brake and load testing - establish exclusion zones
  • Wire rope failure under load
  • Uncontrolled lowering if the winch brake fails - never work under a suspended boat/raft without secondary restraint
  • Entanglement hazard at the winch drum
  • Working at height on the embarkation deck

Class survey

Note the deviation above: this is a launching appliance (davit), assessed under SOLAS III/LSA Code requirements for lifesaving appliance launching gear - annual thorough examination, periodic (commonly 5-yearly) dynamic load test and on-load release gear overhaul, with all results recorded in the ship's maintenance/PMS records for survey.

Spares

Replacement Parts

Spare parts notes

VIKING Life-Saving Equipment Norway AS: Servicing ONLY at an approved service station. Keep an HRU on board. Annual service mandatory.

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