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GB/T 47044-2026Large yachts - Navigational bridge visibility (English PDF)

大型游艇驾驶台能见度

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Issued by

State Administration for Market Regulation

Level / Type

National · Recommended

Issue date

January 28, 2026

Implementation date

August 1, 2026

Scope

GB/T 47044-2026 is the English-translated version of 大型游艇驾驶台能见度.

GB/T 47044-2026 is a Chinese national standard on visibility from the navigational bridge of large yachts. It is equivalent to ISO 24482:2023. The document specifies visibility requirements for the working positions on the bridge.

It applies to large yachts with a length of 24 m or more, and a note says it supports the purpose of Article 22 of Chapter V of the SOLAS Convention. Its terms include blind sector, bridge, bridge wing, external obstruction, docking operation, field of vision and flybridge.

Issued on 28 January 2026 and applicable from 1 August 2026, it gives yacht designers and builders a common basis for checking that the people on the bridge can see what they need to see.

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Document preview — GB/T 47044-2026

National Standard of the People's Republic of China

ICS: 47.020
Classification: U 22

Issued by: State Administration for Market Regulation

Foreword
1 Scope
2 Normative references
3 Terms and Definitions

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

This document is equivalent to ISO 24482:2023 "Visibility from the bridge of a large yacht".

1 Scope

This document specifies the visibility requirements for working positions on the bridge of large yachts.

This document applies to large yachts with a length of 24m or more.

Note: This document supports the purpose of Article 22 of Chapter V of the SOLAS Convention[14].

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Blindsector

The arc measured from the point where the line of sight from the sea surface is obstructed by any fixed object inside or outside the cockpit.

Note: Refer to 5.6 to determine the field of view from the work position (3.6).

3.2 Bridge

The navigation and control area of the yacht, including the driving position and the wing of the bridge (3.3).

3.3 Bridgewing

Part of the bridge (3.2), located on both sides of the yacht's wheelhouse.

Note: The cockpit usually extends to the side of the yacht.

3.4 External obstruction

Any loose items on deck that could be moved by the crew.

3.5 Docking operation

Maneuver the yacht to moor at a berth, next to another yacht or other structure, and control the mooring operation.

3.6 Field of vision

The range of environmental angles that can be observed from a certain position within the yacht's bridge (3.2).

3.7 Flybridge

The open area on the highest deck provides unobstructed views of the yacht's front, rear, and sides, and is equipped with work positions. facility.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

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