Oil Record Book (Part 1): Machinery Space Operations (All Ships)
by Maritime And Coastguard Agency
2nd ed. Required to record machinery space operations for every ship of over 400 tons gross tonnage (other than oil tankers) and every oil tanker of over 150 tons gross tonnage. This is required in accordance with regulation 17 of the International Convention for the Prevention of Pollution from Ships (1973), as modified by the Protocol of 1978 (MARPOL73/78).