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Explain detainable deficiency with reference to a PSC inspection?

Detainable deficiency:
A deficiency that presents an immediate threat to the ship, its personnel or the environment, which renders the ship unsafe to proceed to sea.

A ship can expect to be detained when in the professional judgment of a PSCO i.e he considered unsafe to allow a ship to proceed to sea before the deficiencies identified have been rectified.

EXAMPLES OF DETAINABLE DEFICIENCIES:
Under SOLAS
  • Failure of main propulsion, electrical, pumping, and steering
  • Excessive oil leakage in E/R, lagging insulation contaminated by oil
  • Absence non-compliance or poor condition of LSA equipment, fire dampers, ventilation dampers, quick closing valves, etc
  • Absence, non-compliance of poor condition of navigational lights, shapes and sounds signals
  • Absence of corrected charts and publications
  • Absence or failure of mandatory navigational systems and equipment
  • Absence or failure of radio communications systems
  • Number, composition or certification of the crew not corresponding to safe manning certificates

Under load lines
  • Insufficient stability or ability to calculate stability conditions
  • Significant areas of damage/corrosion/pitting of deck and hull affecting seaworthiness
  • Absence of poor condition of hull closing devices such as hatch covers and watertight doors
Under MARPOL
  • Absence or poor condition or failure of OWS, ODMCS, and alarms
  • Remaining capacity of slop tanks/sludge tanks insufficient of the intended voyage
  • No oil record book
Under STCW
  • Lack of or insufficient crew member certificates/endorsements
  • Inadequate navigational / engineering watch arrangements/personnel
  • Competency of crew members not adequate for the duties assigned for the safety and security of the ship and prevention of pollution
  • Insufficient rested watchkeepers for the first and relieving watch duties at the commencement of the voyage
Under ILO convention
  • Insufficient food and portable water for the next voyage
  • Excessively unsanitary conditions on board
  • No heating in accommodations if ship operated in low temperatures
  • Excessive garbage blocked passageways


Once the detention order has been placed on a ship, it is likely to remain part of the historical port state records for that ship and be displayed on the web for at least 3 years. A detentions order might include an instruction that the ship has to remain in a particular place or move to an anchorage or other berths. The order should specify the circumstances that would allow the detention to be released The fact that a ship had been detained should be clearly stated on "Report form".

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