Question 1788 Deck General

The correct answer is D) 65 ft. in length. According to the U.S. Coast Guard regulations for passenger vessels, a "motor vessel" is defined as a vessel propelled by machinery other than steam and is more than 65 feet in length. This is the key criterion that distinguishes a "motor vessel" from other types of passenger vessels under the regulations. The other answer choices are incorrect because 16 ft. (option A), 34 ft. (option B), and 45 ft. (option C) do not meet the regulatory definition of a "motor vessel," which requires the vessel to be more than 65 ft. in length.