In an approved simulator or aboard a ship in port or at anchor, given access to a main steam turbine.

Performance requirement

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

Secure steam to main engine

Bleed pressure using throttles

Monitor main steam line pressure

Secure main and bulkhead stops and guardian valve

Place into service jacking gear

Hang jacking gear engaged sign

Secure main air ejector and gland seal

Insure MUF, exhaust dump, ADT, etc. are directed to auxiliary condenser

Secure air ejector before gland seal

Secure main condensate system

Monitor hotwell and dc heater level

Monitor main engine until cool

Continue until LP casing temperature is about 150° F

Secure main circ. system

Secure jacking gear

Remove jacking gear engaged sign

Secure main lube oil system

Secure LO gravity tank


Assessed in EN‑3233 Steam and Gas Turbines.


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

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