ABS revises Guide for Bridge Design and Navigational Equipment/Systems

The American Bureau of Shipping has revised its Guide for Bridge Design and Navigational Equipment/Systems.

This revised Guide was published on February 1st, 2023, and entered into force on the same date. This Guide supersedes the May 2019 revision of the Guide which was originally published in 2018.

The requirements for the functionality of the bridge design and layout, and the navigational equipment/ systems laid down in this Guide are intended to improve and optimize the work environment within the bridge area and enhance the navigational capabilities, and safety of vessels.

The requirements for vessels fitted with an integrated bridge system for navigational purpose is also included in this Guide.

The notations NBL, NBLES, NBLES+ and NIBS are introduced to replace the previous OMBO notation and to define the expanded scope of the subject Guide.

The October 2020 edition included addition of the new NBLES (COS) Notation and requirements pertaining to this Notation.

It is an optional notation assigned to vessels that typically operate in coastal and narrow waters provided they meet enhanced requirements provided in the new Section 4 of the Guide.

The September 2021 edition replaces the requirements for surveys after construction with references to Section 7-9-13 of the ABS Rules for Survey After Construction (Part 7).

The February 2022 edition of the Guide provides clarification of the requirements for automatic and backup telephone systems.

The August 2022 edition of the Guide provides clarification of the requirements for telephone systems between the bridge and navigating officer’s cabins and public rooms.

The February 2023 edition of the Guide provides clarification of the requirements for night vision equipment in Section 3, Table 1.

Users are advised to check periodically on the ABS website www.eagle.org to verify that this version of this Guide is the most current.

Application

This Guide applies to vessels possessing valid SOLAS certificates, and having a bridge so designed and equipped as to enhance the safety and efficiency of navigation.

When a vessel is designed, built, and surveyed in accordance with this Guide, and found satisfactory, a classification notation as specified in 1/5 will be granted.

Application of the requirements of this Guide is optional.

Design Basis

The design and layout of navigational equipment are to be based on sound ergonomic principles.

The ABS Guidance Notes on Ergonomic Design of Navigation Bridges may be used as a supplement.

If you need more information, please visit the ABS Rules and Guides page, where the document is available FOR FREE.