ABD Task 5.5.C

Demonstrate use of a messenger line

MMA Method

In order to satisfy NVIC 14-14 Task 5.5.C , 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 line handling
Condition Behavior Standard

On board ship or in a laboratory, during a berthing operation,

the candidate uses a messenger line.

The candidate:

  1. Selects the properly sized messenger for the anticipated strain;
  2. Bends the messenger onto the eye of a mooring wire or line; then moves mooring wire or line to another location using a winch with at least one change of direction; and
  3. Bends the messenger onto a straight section of wire or line; then moves mooring wire or line to another location using a winch with at least one change of direction.

NOTE: The knots used are suitable for the service and size of lines involved. When heaving, ensure appropriate safety precautions are observed, including proper number of turns on the capstan, hand placement, body position in relation to the messenger under tension, and avoiding the piling up of the messenger while heaving.