Question 1592Navigation General

70% to pass

Which information is NOT required to be posted in or near the wheelhouse?

A Stopping time and distance from full speed while maintaining course with minimum rudder
B For vessels with a fixed propeller, a table of shaft RPMs for a representative range of speeds
C Operating instructions for change-over procedures for remote steering gear systems
D A diagram of advance and transfer for turns of 30°, 60°, 90° and 120° at full speed with maximum rudder and constant power
AI Explanation

The correct answer is D. A diagram of advance and transfer for turns of 30°, 60°, 90° and 120° at full speed with maximum rudder and constant power is NOT required to be posted in or near the wheelhouse. The regulations outlined in 46 CFR 78.17-45 specify the information that must be posted in or near the wheelhouse, and a diagram of turning characteristics is not included in the list of required postings. The other answer choices, such as stopping time and distance, shaft RPM tables, and operating instructions for remote steering, are examples of information that must be posted per the regulations.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG National Maritime Center
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