MMA Assessment OICNW-3-2A

Set up and maintain an ARPA display

Condition

On an operational ARPA that meet the standards of 33 CFR 164.38 (or an ARPA simulator that meets applicable national and international performance standards for ARPA).

Performance requirement

Behavior Standard
The student will: During assessment, the student shall, at a minimum:

Set up and maintain the ARPA display.

Within three minutes,

  1. Turn the power on;
  2. Initialize performance monitor;
  3. Note error messages;
  4. Switch from standby to on;
  5. Selecte the appropriate scale;
  6. Adjust the gain control so that targets and sea return appeared;
  7. Adjust the tune control (if the unit is not self tuning);
  8. Adjust the brilliance control;
  9. Adjust the sea clutter and rain clutter controls to suppress the rain and sea clutter without losing targets.
  10. Select north-up stabilized, relative motion display.
  11. Select proper gyro course and speed input.
  12. Select sea-stabilized mode.

Location

Assessed in MT‑2225 Integrated Navigation.

References

STCW Knowledge, Understanding and Proficiency

  1. OICNW-A3.3
  2. OICNW-A3.4

NVIC Tasks

  1. NVIC 12-14 Task 3.5.A Set up and maintain an ARPA display ARPA