ECDIS Safety Settings and UKC Management (2026)

This publication is a guide to ECDIS safety setting and under keel clearance (UKC) management. This booklet aims to provide a deeper insight into the principal Electronic Chart Display and Information Systems (ECDIS) safety settings and provide guidance to ensure they are understood by the ECDIS operator. It explains how underkeel clearance (UKC) should be calculated and effectively managed by the navigator.

Correct safety settings and adequate UKC is essential for safe navigation. However, as marine accidents and inspections show, ECDIS safety settings and UKC management is often misunderstood.
The booklet provides a deep insight to clarify the principal ECDIS safety settings and provides guidance to ensure they are understood by the ECDIS operator to maintain safe navigation. It explains how UKC should be calculated and effectively managed on board ships.
The guidance covers topics such as:

·         Safety Depth

·         Safety Contour

·         Display Settings

·         Isolated Dangers

·         Squat

·         Tidal heights

·         UKC calculations.
Worked examples are included across a variety of scenarios to help illustrate best practice.

 

SKU: P26241