NVIC Method

Show NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Maintenance and repair of electrical and electronic equipment

OICEW-B2.5 Function and performance tests of the following equipment:

.2 Automatic control devices

Condition Behavior Standard

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

The candidate performs a steering gear test.


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

The candidate performs either A or B:

A) Rudder-equipped vessel

  1. Using first one, then the other steering gear pump, alternately operates steering gear from maximum port to maximum starboard rudder from the ships wheel, non- follow up switches and local manual control devices;

  2. On a running generator, not connected to the bus, shuts off valve to low LO shut down sensor;

  3. With one steering gear motor running, interrupts power via circuit breaker on main switchboard to test if other unit starts automatically; and

  4. Takes proper action to prevent safety and pollution violations.

B) Z-Drive equipped vessel

Using each available steering pump, rotate the Z Drive unit in a 360-degree rotation within a period specified by the manufacturer; from the ships wheel/joystick, non-follow up switches and local manual control devices.

MMA Method

In order to satisfy NVIC 17-14 Task 7.5.B , MMA students must:

  • Successfully complete MMA Assessment OICEW-5-1A Test steering gear and internal communications