Small passenger vessels in coastwise service must carry approved __________.

Correct Answer: Option D — Any of the above

46 CFR Subchapter T permits various types of lifesaving equipment for small passenger vessels in coastwise service. Depending on the vessel's route and construction, the regulations allow for the carriage of inflatable buoyant apparatus, inflatable liferafts, or life floats, provided they meet the specific approval standards for that vessel class.