OICNW-3-1F

Determine DRM, SRM, CPA, and TCPA

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.

Performance requirement

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

Determine: 1. The range and bearing to 3 other ships (meeting, crossing, and overtaking);

  1. The DRM and SRM of all other ships; and
  2. The CPA and TCPA of all vessels on the 12 mile scale with less than a 3 mile CPA.

For each contact:

  1. The range and bearing solution is completed within 30 seconds and is within the previously stated tolerances.
  2. The DRM solution is completed within 7 minutes and is within ± 5° of the assessor’s solution.
  3. The SRM solution is completed within 8 minutes of initial range and bearing and is within ± 5 knots.
  4. The CPA solution is completed within 9 minutes and is within ± 0.5 miles.
  5. The TCPA solution is completed within 10 minutes and is within ± 3 minutes.

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