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Company performance

One of the parameters to determine the SRP is the Company Performance, explained in annex 7 of the Paris MoU text. Company performance takes account of the detention and deficiency history of all ships in a company’s fleet while that company was the ISM Company for the ship. Companies are ranked as having a very low, low, medium or high performance. The calculation is made daily on the basis of a running 36-month period. There is no lower limit for the number of inspections needed to qualify except a company with no inspections in the last 36 months will be given a “medium performance”.

Overriding factors

The overriding factors listed below are considered sufficiently serious to trigger an additional inspection at Priority I:

  • Ships reported by another Member State excluding unexpected factors,
  • Ships involved in a collision, grounding or stranding on their way to port,
  • Ships accused of an alleged violation of the provisions on discharge of harmful substances or effluents,
  • Ships which have been manoeuvred in an erratic or unsafe manner whereby routing measures, adopted by the IMO, or safe navigational practices and procedures have not been followed,
  • Ships which have been suspended or withdrawn from their Class for safety reasons after last PSC inspection,
  • Ships which cannot be identified in the database.

Periodic & additional inspections

Periodic Inspections are carried out at intervals determined by the ship risk profile.Overriding or unexpected factors might trigger an inspection in between periodic inspections. This category of inspection is referred to as an Additional Inspection. 

Ships become due for periodic inspection in the following time windows:

  • For HRS – between 5-6 months after the last inspection in the Paris MoU region.
  • For SRS – between 10-12 months after the last inspection in the Paris MoU region.
  • For LRS – between 24-36 months after the last inspection in the Paris MoU region.

Periodic Inspections and Additional Inspections count equally. Therefore the time span for the next periodic inspection re-starts after an additional inspection

Selection scheme

The selection scheme is divided into two priorities:

  • Priority I: ships must be inspected because either the time window has closed or there is an overriding factor.
  • Priority II: ships may be inspected because they are within the time window or the port State considers an unexpected factor warrants an inspection.

The priority and the level of selection will be shown for each ship in the information system.

Unexpected factors

Unexpected factors could indicate a serious threat to the safety of the ship and the crew or to the environment but the need to undertake an additional inspection is for the professional judgement of the Authority.

These factors include:

  • Ships reported by pilots or relevant authorities which may include information from
  • Vessel Traffic Services about ships’ navigation,
  • Ships which did not comply with the reporting obligations,
  • Ships reported with outstanding deficiencies (except those with code 16 (within fourteen days) and code 17 (before departure))
  • Previously detained ships (3 months after the detention),
  • Ships reported by the master, crew member or any person or organization with a legitimate interest in the safe operation of the ship, shipboard living and working conditions or the prevention of pollution,
  • Ships operated in a manner to pose a danger,,
  • Ships reported with problems concerning their cargo, in particular noxious or dangerous cargo,
  • Ships where information from a reliable source became known, that their risk parameters differ from the recorded ones and the risk level is thereby increased.
  • Ships carrying certificates issued by a formerly Paris MoU recognized organization whose recognition has been withdrawn since the last inspection in the Paris MoU region