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ECDIS Training Assessment (ETA) - Learning from the Data

This report evaluates bridge teams’ proficiency in using Electronic Chart Display and Information Systems (ECDIS).

Published: 13 April 2026

Authors:

John Southam

Loss Prevention Director - Greece

Colin Gillespie

Global Head of Loss Prevention
Tom Mellor

Tom Mellor

UK Hydrographic Office

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ECDIS Training Assessment (ETA) - Learning from the Data https://d3cpegos94401u.cloudfront.net/publications/documents/lpinsightspublications/ecdis/3203-ns-eta-report---learning-from-the-data.pdf Infographic of key takeaways https://d3cpegos94401u.cloudfront.net/publications/documents/lpinsightspublications/ecdis/3348-eta-infographic.pdf ETA ‘Learning from the Data’ report offers first ever industry benchmark of ECDIS knowledge Why ECDIS training remains critical for safe navigation

Since we launched ETA, over 120 Members have adopted it, and crew have completed more than 7,000 anonymised assessments.

This has given us a unique dataset, offering a clear overview of how ECDIS is being used in practice – and where understanding breaks down.

ECDIS knowledge gaps
  • Around a third of bridge teams lacked understanding of critical ECDIS features – including datum discrepancies and ENC updates – posing risks to positional accuracy and navigational safety.

  • Many teams struggled to recognise differences in ENC data from various cartographers and misunderstood ENC’s presentation library.

Passage planning and safety
  • Nearly half of bridge teams failed to prioritise the correct ENC scale during planning, increasing the risk of missing navigational features.

  • Overreliance on automated checks and insufficient understanding of safety settings, such as safety contours, were common, potentially compromising navigational safety.

Alarm and display management
  • Half of the crew members had trouble distinguishing alarms from alerts, leading to confusion and reduced situational awareness.

  • Misunderstandings around key symbols and ECDIS functions, such as the ‘hover-over’ feature, were widespread.

Execution and monitoring
  • There were significant gaps in recognising datum-related issues and verifying positions, highlighting the need for improved training on ECDIS alarms and interpreting symbols.

Read the report for the full insights.

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