OICNW-3-1J

Determine true course and speed of target vessels

Condition

On an operational radar or radar simulator that meets the standards of 33 CFR 164.38 and other applicable national and international performance standards, set on the 12 mile scale in the relative motion north up mode, using any graphically correct method.

Performance requirement

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

Determine the true course and speed of three target vessels.

For each contact:

  1. Constructed a relative motion triangle on either a reflection plotter, a maneuvering board, or a transfer plotting sheet; and
  2. Solved for the target vessel’s true course and speed within 8 minutes.
  3. The candidate’s true course solution is within ± 5° and the true speed solution is within ± 5 knots.

Note: This assessment supports KUP OICNW-A3.2, and is assessed in MT-3122 Radar Observer Certification.