Near miss: Emergency stop pressed accidentally

  • Safety Flash
  • Published on 12 November 2019
  • Generated on 3 April 2025
  • IMCA SF 26/19
  • 1 minute read

During DP operations a vessel lost its Port azimuth thruster. 

The vessel suspended DP operations and safely pulled out of the 500m zone to allow investigation.

It was discovered that a crew member, while passing near to the port azimuth thruster control panel in the engine control room, inadvertently hit the emergency stop button with his elbow, resulting in a stoppage of the thruster.

While passing near to the port azimuth thruster control panel in the engine control room, a crew member inadvertently hit the emergency stop button with his elbow, resulting in a stoppage of the thruster.

What were the causes?

  • Lack of situational awareness.

  • There was a guard in place protecting the emergency stop switch, but it was not effective.

What actions were taken?

  • All similar emergency stop buttons are to be identified throughout all vessels and replaced.

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