In an approved simulator, in the laboratory, or aboard a ship and given access a main propulsion diesel engine.

Performance requirement

Behavior Standard
The student will: During assessment, the student shall, at a minimum:

Secure fuel supply

Receive permission from bridge

Insure shaft is stopped

Start turning gear

Prior to starting, check:

  • lube oil system is running
  • blocking valve shut
  • indicator cocks open

Obtain wheel clearance

Start turning gear

Secure cooling systems


  • LTFW pump
  • HTFW pump
  • piston cooling pump
  • injector cooling pump

Secure turning gear

Stop motor

Disengage turning gear

Secure Lubricating Systems


  • main lube oil pump
  • cylinder lube oil pump
  • stern tube lube oil pump


Assessed in EN‑4231 Sea Term IV: Marine Engineering.


  1. Table A-III/1 OICEW-A4.1
  2. NVIC 17-14 Task 4.1.A

Lab Manual

EN-4131 Lab Manual

See the Assessment Guidelines for additional specifications of behavior and standards.