ABD Task 5.3.A

Describe characteristics of an enclosed space

MMA Method

In order to satisfy NVIC 14-14 Task 5.3.A , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Apply occupational health and safety precautions

ABD-C2.1 Working knowledge of safe working practices and personal shipboard safety including working in enclosed spaces

Condition Behavior Standard

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

the candidate describes the characteristics of an enclosed space.


The candidate’s description includes that an enclosed space:

  1. Has limited openings for entry and exit;
  2. Has poor natural ventilation; and
  3. Is not designed for continuous occupancy.