NVIC Method

Show NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Carry out a watch routine appropriate to the duties of a rating forming part of an engine-room watch.

RFPEW-A1.2 Engine-room watchkeeping procedures

Condition Behavior Standard

On a vessel, or in a laboratory,

the candidate determines tank and pressure- vessel levels.


The assessment applies to all RFPEW endorsements.

The candidate determines the:

  1. Liquid level of vented tanks and low-pressure pressure vessels fitted with tubular sight-glasses;
  2. Liquid level of a high-pressure pressure vessel fitted with a high- pressure gauge glass or a remote level indicator;
  3. Liquid level of a vented tank fitted with petcocks;
  4. Liquid level of two vented tanks (1 fuel- or lube-oil, and 1 water), fitted with sounding tubes, using a sounding tape, using innage or ullage method as appropriate;
  5. Fluid level of a lube-oil sump fitted with a dipstick;
  6. Liquid level of a vented tank fitted with a pneumercator, as applicable;
  7. Oil/water-interface of the slop tank; and
  8. Level of a vented tank or pressure vessel fitted with remote reading-level gauges.

MMA Method

In order to satisfy NVIC 07-14 Task 1.1.F , MMA students must:

  • Successfully complete MMA Assessment OICEW-4-1D Monitor engineering machinery