Small passenger vessel of less than 100 gross tons shall be drydocked or hauled out at intervals not to exceed 36 months if it is operated in saltwater a total of___________.
• 46 CFR Subchapter T requirements for small passenger vessels under 100 GRT • Drydock/haul-out intervals for saltwater service versus freshwater service • How the Coast Guard defines "total time operated in saltwater" over a given period
• Look at which option describes an amount of saltwater operation that would be considered enough to require more frequent bottom inspections • Compare each choice: which ones describe light/occasional saltwater use versus regular/extended saltwater use? • Think about why saltwater causes the hull to need inspection more often than if the vessel stayed mostly in freshwater or laid up
• Verify which answer choice matches the exact time threshold in 46 CFR for saltwater operation that triggers the 36‑month drydock requirement • Check that the time period in the choice (12, 18, or 36 months) aligns with how the regulation actually measures saltwater service • Eliminate any option where the vessel is in saltwater only a small fraction of the time, which would usually justify longer drydock intervals, not shorter
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