Assessment OICEW-5-2A

Light off main boiler

Assessed in EN-3233 Steam and Gas Turbines


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

Performance Requirements

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

Check and prepare boiler for light off

Insure adequate water in drum


  • drum vents
  • superheater vents
  • superheater drains

Line up and Start the diesel fuel oil system

Light off boiler

Start force draft

Open dampers and purge furnace

Light fires

Correctly proportion fuel/air ratio to prevent smoke

Monitor boiler


  • water level
  • steam Pressure
  • temperature
  • smoke
  • excess O2

Supports Table A-III/1 officers in charge of an engineering watch

Competence Knowledge, Understanding & Proficiency Task

Operate main and auxiliary machinery and associated control systems

A4.1 Basic construction and operation principles of machinery systems, including:

  1. marine diesel engine
  2. marine steam turbine
  3. marine gas turbine
  4. marine boiler
  5. shafting installations, including propeller
  6. other auxiliaries, including various pumps, air compressor, purifier, fresh water generator, heat exchanger, refrigeration, air-conditioning and ventilation systems
  7. steering gear
  8. automatic control systems
  9. fluid flow and characteristics of lubricating oil, fuel oil and cooling systems
  10. deck machinery

Light off main boiler

Published: 2016-10-28-04:00