ABD Task 2.3.B

Describe unberthing operations

MMA Method

In order to satisfy NVIC 14-14 Task 2.3.B , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Contribute to berthing, anchoring and other mooring operations

ABD-A2.1 Working knowledge of the mooring system and related procedures, including the procedures and order of events for making fast and letting go mooring and tug lines and wires, including towing lines

Condition Behavior Standard

On board ship or in a laboratory, when asked by a Qualified Assessor,

the candidate describes the mooring system and related procedures, including the procedures and order of events for making fast and letting go mooring and tug lines and wires, at a specific port.


The candidate describes in proper order the procedures for unberthing the vessel, including:

  1. The call out of crewmembers who will be involved on deck;
  2. Establishing the person in charge of mooring operations;
  3. Bringing pilot aboard;
  4. Preparing stoppers, heaving lines, messengers, if used;
  5. Taking tug’s lines aboard (if applicable);
  6. Securing the gangway;
  7. Bringing lines and/or wires aboard, as directed;
  8. Warping the ship;
  9. Letting go of tugs, if applicable;
  10. Stowing lines and wires in assigned areas and using proper techniques (faking, rope baskets, coiling, etc.);
  11. Exchange of pilots and docking master; and
  12. Securing from berthing operations.

NOTE: Particular attention should be paid to the use of safety equipment and precautions to minimize the risk of injury.