ABD Task 4.3.A

Demonstrate operation of deck equipment, including hatches, watertight doors, ports, and related equipment

MMA Method

In order to satisfy NVIC 14-14 Task 4.3.A , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Contribute to the safe operation of deck equipment and machinery

ABD-C1.1 Knowledge of deck equipment, including hatches, watertight doors, ports, and related equipment

Condition Behavior Standard

On board ship or in a laboratory,

the candidate demonstrates the safe operation of deck equipment, including hatches, watertight doors, ports, and related equipment.


The candidate demonstrates the safe operation of hatches, watertight doors, ports, and related equipment including:

  1. Use of dogs and other securing devices;
  2. Maintenance of sealing material and knife edges to create a watertight seal;
  3. Inspection and repair of gouges, fractures, and other damage that may affect the strength or watertight integrity of the opening;
  4. Normal operating position of the ship’s watertight openings when at sea; and
  5. Normal operating position of the ship’s watertight openings when in port.