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USCG Exam Practice · Plotting with variation and deviation (T-V-M-D-C)

The IMO performance standards for ARPA incorporated in 33 CFR §164.38 require that an ARPA be capable of operating with a relative motion display using which azimuth stabilization options as a minimum?

  1. ANorth-up and either head-up or course-up✓ correct
  2. BHead-up only, with true motion as an optional addition
  3. CCourse-up only, with north-up available on request
  4. DTrue motion only, with relative motion as an optional addition

Why A is correct

Appendix A to 33 CFR §164.38, paragraph 3.4.6, states that the ARPA must be capable of operating with a relative motion display with north-up and either head-up or course-up azimuth stabilization. True motion display is an additional capability the ARPA may also provide, but it is not the minimum requirement.

Cited:33 CFR §164.38

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