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This course is a requirement to obtain a Y4 Certificate of Competency (CoC) and the new Small Vessel Second engineer <9000kW/ <3000gt CoC. It is recommended that students pre-study at least 6 weeks in advance due to the high volumes of material that is covered in the course. Training and learning material will be provided once the candidate has booked the course.

Course Outline:


  • Engine Working Principles
  • Turbochargers and Superchargers
  • Engine Construction
  • Hydraulic & Electronic Governors
  • Engine Safety & Protection Devices
  • Fuel Oil Supply System
  • Fuel Oil Characteristics
  • Fuel Hygiene & Treatment
  • Lubrication
  • Cooling Water Systems
  • Heat Exchangers
  • Engine Starting Systems
  • Engine Operation & Maintenance
  • Clutches
  • Gearboxes
Caucasian Male Superyacht Engineer - ETO working on the engine room control panel with laptop
Caucasian Male Superyacht Engineer working on the engine room, inspecting the generator with checklist folder and pen in his hand


On the final day of the course, a written examination is taken. On successful completion of this course, the candidate will be awarded a pass certificate that is valid for only 3 years.