page_title: Engine order telegraph
section_title: Typical dial positions
hierarchical_section_title: Engine order telegraph / Order transmission / Typical dial positions
caption_attribution_description: English: Ship's engine order telegraph and wheel
context_page_description: An engine order telegraph or E.O.T., also referred to as a chadburn, is a communications device used on a ship for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.
context_section_description: Many past ships have the following dial indications:
  Flank ahead (1940-) (USA only)
  Full Ahead
  Half Ahead
  Slow Ahead
  Dead Slow Ahead
  Standby
  Stop
  Finished With Main Engines
  Dead Slow Astern
  Slow Astern
  Half Astern
  Full Astern
  Emergency Astern ( 1940-)
  Any orders could also be accompanied by an RPM order, giving the precise engine speed desired.
  Many modern ships have the following dial indications:
  Full Ahead Navigation (on notice to increase or reduce)
  Full Ahead
  Half Ahead
  Slow Ahead
  Dead Slow Ahead
  Stop
  Dead Slow Astern
  Slow Astern
  Half Astern
  Full Astern
  Finished with Engines and Standby conveyed via separate control panel.
caption: USS LST-325's bridge engine order telegraph
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