NVIC Method

Show NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Operate main and auxiliary machinery and associated control systems

OICEW-A4.3 Preparation, operation, fault detection and necessary measures to prevent damage for the following machinery items and control systems

Auxiliary prime movers and associated systems

Condition Behavior Standard

On a vessel of at least 1,000 HP, on a in a laboratory,

the candidate plans for and secures a lube oil or fuel oil purifier, describing actions as they are being performed.


The assessment is required for all OICEW endorsements regardless of any limitations for propulsion mode and/or vessel equipment.

The candidate:

  1. “Shoots” the purifier from the control panel several times to discharge loose sludge;

  2. Secures steam or power to oil centrifuge pre-heater, if used;

  3. Closes oil supply to centrifuge;

  4. Depresses centrifuge motor controller stop button;

  5. Verifies centrifuge has come to a complete stop and closes clean oil discharge valve; and

  6. Secures power and valves to the automatic “shoot” panel.

MMA Method

In order to satisfy NVIC 17-14 Task 4.3.S , MMA students must:

  • Successfully complete MMA Assessment OICEW-5-1I Shut down fuel oil or lube oil purifier