USCG Exam Practice · Plotting with variation and deviation (T-V-M-D-C)
An ARPA display on which ARPA information is presented must have an effective diameter of at least which measurement, per the IMO performance standards incorporated in 33 CFR §164.38?
- A340 mm✓ correct
- B250 mm
- C400 mm
- D300 mm
Why A is correct
Appendix A to 33 CFR §164.38, paragraph 3.4.3, states that the display on which ARPA information is presented should have an effective diameter of at least 340 mm. This is a minimum performance standard adopted from IMO operational standards for ARPA.
Cited:33 CFR §164.38
Drill more Plotting with variation and deviation (T-V-M-D-C) questions
Every CaptainsGround answer cites the rule it tests — verified, not guessed. Try a free 5-question drill, no sign-up.
More practice questions
- When a magnetic compass is fitted aboard a towing vessel, the person directing and cont…
- Which of the following is a correct statement regarding the use of buoys to fix the pos…
- Before a towing vessel of less than 1,600 GT embarks on a voyage of more than 24 hours,…
- A self-propelled vessel of 12,000 gross tons carrying hazardous materials in bulk as ca…
- According to the IMO performance standards incorporated in 33 CFR §164.38, an ARPA equi…
- A vessel required to carry ARPA under 33 CFR §164.38 is also required to carry a speed …