The official logbook is filed with the Officer in Charge, Marine Inspection (OCMI) __________.

Correct Answer: Option D — upon completion of the voyage

According to 46 U.S.C. § 11302, the Master must file the Official Logbook with the Officer in Charge, Marine Inspection (OCMI) upon the completion of the voyage. This ensures that the Coast Guard has a timely record of the vessel's operations, crew changes, and any significant incidents that occurred while underway.