Condition

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:

Prepare to secure main gas turbine

  • shift controls to main control room
  • disengage main gas turbine engines from reduction gear

Secure main gas turbine engines

  • press Normal Stop Cooldown button
  • monitor engine for proper sequence of operation
  • monitor gas generator speed
  • monitor power turbine inlet temperature

Monitor alarms

Respond to alarms and take corrective actions as necessary

Location

Assessed in EN‑3233 Steam and Gas Turbines.

References

STCW Knowledge, Understanding and Proficiency

  1. OICEW-A4.3

NVIC Tasks

  1. NVIC 17-14 Task 4.3.H Secure gas turbine operation

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