On a gas-turbine vessel of at least 1,000 HP at sea, on a simulator, or in a laboratory

Performance requirement

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

Check for sufficient electrical capacity

  • start and parallel a diesel or gas turbine generator as needed

Prepare main gas turbine for start

  • check lube oil storage and conditioning assembly level
  • line up fuel oil system for main gas turbine engines
  • verify that turning gear is disengaged

Start main gas turbine engines

  • press On button
  • monitor gas turbine engines for proper start sequence
  • place gas turbine control to Online
  • engage the gas turbine engine clutch to main reduction gear


Assessed in EN‑3233 Steam and Gas Turbines.


  1. Table A-III/1 OICEW-A4.3
  2. NVIC 17-14 Task 4.2.C

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