Which circumstance concerning an inspected passenger vessel would require knowledge and approval of the Officer in Charge, Marine Inspection? (small passenger vessel regulations)

Correct Answer: Option B — The removal of a watertight bulkhead

46 CFR 176.100 requires the Officer in Charge, Marine Inspection (OCMI) to approve any major structural alterations, such as the removal of a watertight bulkhead. Such modifications directly impact the vessel's subdivision, stability, and overall safety, necessitating a formal review to ensure compliance with original design and safety standards.