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Ships Collision: Causes

Understanding collision causes

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Maritime collisions are some of the most complex and costly incidents that can occur at sea. While modern navigation systems have significantly reduced such accidents, human error remains a prevalent cause.

Causes of Vessel Collision Accidents

Collisions at sea are overwhelmingly attributed to human negligence.

Key Causes of Collisions

  1. Improver lookout:
    • The failure to maintain a proper lookout accounts for 54% of collisions. This negligence can result in missed opportunities to detect and avoid nearby vessels.
  2. Improper Command and Supervision:
    • Negligence in bridge management, such as failing to adhere to service regulations, can increase the likelihood of collisions.
  3. Fatigue:
    • Fatigue among crew members reduces reaction times and impairs judgment, making accidents more likely.
  4. Excessive Vessel Speed
    • Traveling at unsafe speeds limits the time and space available for maneuvering, increasing collision risk.
  5. Breach of Steering and Sailing Rules:
    • Violating navigation rules contributes to 19% of collisions. These breaches often involve improper maneuvering, especially in crossing situations or in restricted visibility.
  6. Breach of Rules on Sound and Light Signals:
    • Failure to use sound and light signals effectively can lead to confusion and accidents, especially during low visibility.
  7. Non-Display of Navigational Lights, Shapes, or Flags:
    • Proper signaling is crucial for communication between vessels. Failure to display these can lead to dangerous misunderstandings.

Statistical Insights

Over 70% of vessel collisions are caused by improper lookout and breaches of navigation rules.

Reference: https://www.marinepublic.com/blogs/distress/554701-ships-collision-causes-reports-and-necessary-actions