In accordance with the international MARPOL Annex I regulations and the federal regulations in 33CFR Subchapter O, specific machinery space operations onboard all ships of 400 gross tons or above other than a tanker must be documented in an Oil Record Book. Which of the listed machinery space operations must be documented in the Oil Record Book?

Correct Answer: Option A — Discharge of waste oil or sludge to a reception facility.

MARPOL Annex I, Regulation 17, requires that every oil tanker of 150 gross tons and above and every ship of 400 gross tons and above must maintain an Oil Record Book. Specific operations, including the discharge of waste oil or sludge to a reception facility, must be recorded chronologically.