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GB/T 46461.3-2025Information service system of vessel's emergency positioning based on global navigation satellite system (GNSS) - Part 3: Performance requirements and test methods for emergency position indicating radio beacon (English PDF)

全球卫星导航系统（GNSS）船舶应急定位信息服务系统　第3部分：应急无线电示位标性能要求及测试方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

May 1, 2026

Scope

GB/T 46461.3-2025 is the English-translated version of 全球卫星导航系统（GNSS）船舶应急定位信息服务系统　第3部分：应急无线电示位标性能要求及测试方法.

GB/T 46461.3-2025 is the Chinese standard "Information service system of vessel's emergency positioning based on global navigation satellite system (GNSS) - Part 3: Performance requirements and test methods for emergency position indicating radio beacon".

Its scope clause reads: This document specifies the ship emergency radio beacons for the Global Navigation Satellite System (GNSS) ship emergency positioning information service system.

Classification, grading, requirements, and testing methods. This document applies to ship emergency radio beacons in the Global Navigation Satellite System (GNSS) ship emergency positioning information service system.

The design, production and testing of Emergency Radio Position Beacons (EPIRBs).

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Document preview — GB/T 46461.3-2025

National Standard of the People's Republic of China

ICS: 33.200
Classification: M 50

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1.Scope
2 Normative References
3.Terms, Definitions, and Abbreviations
3.1 Terms and Definitions
3.2 Abbreviations
4.Classification and Grading 3.
4.1 Classification
4.2 Classification
5 Requirements
5.1 Overview
5.2 Composition
5.3 General Requirements
5.4 Functions
5.5 Performance
5.6 Appearance and Reflective Materials
5.7 Tie
5.8 Product Manual
5.9 Tag
5.10 Automatic release device
5.11 Activate switch
5.12 Low duty cycle ambient lighting
5.13 Buoyancy
5.14 Ergonomics
5.15 Battery
5.16 Parameter Configuration Interface
5.17 Environmental adaptability
5.18 Electromagnetic Compatibility
6.Test Method
6.1 Test Environment Conditions
6.2 Test Site Conditions
6.3 Test Equipment Requirements
6.4 Composition
6.5 General Requirements
6.6 Function
6.7 Performance
6.8 Appearance and Reflective Materials
6.9 Tie
6.10 Product Manual
6.11 Tag
6.12 Automatic release device
6.13 Activate switch
6.14 Low duty cycle ambient lighting
6.15 Buoyancy
6.16 Ergonomics
6.17 Battery
6.18 Parameter Configuration Interface
6.19 Environmental adaptability
6.20 Electromagnetic compatibility
Appendix A (Normative) Requirements and Test Items for Non-Floating EPIRBs
References

1 Scope

This document specifies the ship emergency radio beacons for the Global Navigation Satellite System (GNSS) ship emergency positioning information service system.

Classification, grading, requirements, and testing methods.

This document applies to ship emergency radio beacons in the Global Navigation Satellite System (GNSS) ship emergency positioning information service system.

The design, production and testing of Emergency Radio Position Beacons (EPIRBs).

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 16162-2021 Global Maritime Distress and Safety System (GMDSS) Terminology

GB/T 42979-2023 Performance Requirements and Test Methods for GNSS Position Reporting/Short Message Terminals

GB/T 46461.1-2025 Global Navigation Satellite System (GNSS) Ship Emergency Positioning Information Service System Part 1.Functions describe

GB/T 46461.2-2025 Global Navigation Satellite System (GNSS) Ship Emergency Positioning Information Service System Part 2.Emergency

Radio Position Beacon and Emergency Response Center Information Exchange Protocol releaseunits)

IEC 60945.2002/COR1.2008 General requirements for marine navigation and radio communication equipment and systems - Test methods and requirements

IEC 61097-2.2021 Global Maritime Distress and Safety System (GMDSS) Part 2.Emergency Radio for International Search and Rescue Satellite Systems

Operational and performance requirements, test methods, and required test results for emergency radio beacons operating at 406MHz.

JT/T 808 | JT/T 1078 | GB/T 19392 | GB/T 46459 | GB/T 46458 | GB/T 46461.2 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 58 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60945.2002 · IEC 61097

Editions of GB/T 46461.3

Edition	Title	Revision	Status
GB/T 46461.3-2025	Information service system of vessel emergency positioning based on global navigation satellite system(GNSS) - Part 3: Performance requirements and test methods for emergency position indicating radio beacon	current edition	Current

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