USCG Exam PracticeRadar fundamentals and ARPA basics
Which radar range scales must be available on an ARPA display to meet IMO Performance Standards as incorporated in 33 CFR §164.38?
- A. 6 miles and 1.5 miles
- ✓ 12 or 16 miles, and 3 or 4 milesCorrect
- C. 24 miles and 6 miles
- D. 8 miles and 2 miles
Why B is correct
33 CFR §164.38, Appendix A, paragraph 3.4.4 requires ARPA facilities to be available on at least a 12- or 16-mile range scale and a 3- or 4-mile range scale. The other options do not match the specified scales.
Cited:33 CFR §164.38