Contributed in Seafaring on Petrolene Vessel as 2nd Asst. Engineer.
Contributed in Seafaring on Petroking Vessel as 2nd Asst. Engineer.
Contributed in Seafaring on Ore Meteor Vessel as 2nd Asst. Engineer.
Petrolene Vessel 2nd Asst. Engineer period 1955 to 1956,
Petroking Vessel 2nd Asst. Engineer period 1957 to 1957,
Ore Meteor Vessel 2nd Asst. Engineer period 1971 to 1972,