Petroking Vessel Wiper period May 1953 to Jun 1954, Oiler period Jul 1954 to Jul 1956,
Ore Transport Vessel Junior Engineer period Sep 1956 to Sep 1957,
Ore Chief Vessel Junior Engineer period Oct 1957 to Oct 1958, Junior Engineer period Nov 1958 to Nov 1959,
Richard Vessel 3rd Asst. Engineer period Dec 1959 to Dec 1960, 2nd Asst. Engineer period Jan 1960 to Jan 1961, 2nd Asst. Engineer period Feb 1961 to Jul 1968,
Melembo Vessel Chief Engineer period 1972 to 1979,
Port Engineer Vessel period Jun 1979 to Jul 1980,
Quatsaqualso Mexico