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GB/T 46415-2025Performance and test requirements for automatic identification system class A shipborne equipment (English PDF)

船舶自动识别系统（AIS）A类设备性能和测试要求

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Issued by

State Administration for Market Regulation

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

May 1, 2026

Scope

GB/T 46415-2025 is the English-translated version of 船舶自动识别系统（AIS）A类设备性能和测试要求.

GB/T 46415-2025 — This document specifies the basic requirements, other requirements, performance requirements, technical requirements, and remote application requirements for Category A Automatic Identification System (AIS) equipment.

Applications include. test conditions, test signals, power supply, special purpose and safety testing, environmental testing, electromagnetic compatibility testing, operational testing, and physical layer testing.

Test, link layer test, network layer test, transport layer test, interface test, remote function test requirements. This document applies to the design, production, testing, and use of AISA-class devices.

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Document preview — GB/T 46415-2025

National Standard of the People's Republic of China

ICS: 33.060
Classification: R 28

Issued by: State Administration for Market Regulation

Preface
1 Scope
2 Normative References
3 Terms and Definitions, Abbreviations
3.1 Terms and Definitions
3.2 Abbreviations
4 Basic Requirements 5.
4.1 Equipment Purpose, Transmitter, and Quality Requirements
4.2 Working Mode
4.3 Instruction Manual
4.4 Equipment Identification
5 Other requirements
5.1 Environmental, power supply, special purpose, and safety requirements
5.2 Information Display
5.3 Software Update
6 Performance Requirements
6.1 Composition and Capabilities
6.2 Time and Location
6.3 User Interface
6.4 Identification Code
6.5 Information
6.6 Event Log
6.7 Initialization Phase
6.8 Power Supply
6.9 Technical Characteristics
6.10 Alarms, Instructions, and Rollbacks
6.11 Display, Input, and Output
6.12 Preventing Ineffective Controls
7 Technical Requirements
7.1 General Requirements
7.2 Physical Layer
7.3 Link Layer
7.4 Network Layer
7.5 Transport Layer
7.6 Indicates interface
8 Remote Applications
8.1 General Requirements
8.2 Two-way interface remote application
8.3 Broadcast Remote Applications
9 Test Conditions
9.1 Normal and Extreme Test Conditions
9.2 Standard Test Environment
9.3 Additional Test
9.4 General Test Conditions for Preventing Ineffective Controls
9.5 Measurement uncertainty
10 Test signal
10.1 Standard Test Signal 1 (DSC)
10.2 Standard Test Signal 2 (TDMA)
10.3 Standard Test Signal 3 (TDMA)
10.4 Standard Test Signal 4 (PRBS)
10.5 Standard Test Signal 5 (PRBS)
11 Power supply, special purpose and safety testing
12 Environmental Testing
13 Electromagnetic compatibility test
14 Run Test
14.1 Identification and Operating Modes
14.2 Manuals, Labeling and Identification
14.3 Information
14.4 Event Log
14.5 Software Upgrade
14.6 Initialize
14.7 Technical Characteristics
14.8 Alarms and Instructions, Rollback
14.9 Display, Input, and Output
15 Physical layer test
15.1 TDMA transmitter
15.2 TDMA Receiver
15.3 Conducted stray radiation
16 Link Layer Testing
16.1 TDMA Synchronization
16.2 Time Division (Frame Format)
16.3 Synchronization and jitter accuracy
16.4 Data Encoding (Bit Stuffing)
16.5 Frame Check Sequence
16.6 Time Slot Allocation (Channel Access Protocol)
16.7 Message Format
17 Network Layer Test
17.1 Dual-channel operation - alternating transmission
17.2 VDL Message Region Assignment
17.3 Area Assignment for Continuous Messages
17.4 Area Assignment for Lost Locations
17.5 Power setting
17.6 Message Priority Handling
17.7 Time Slot Multiplexing and FATDMA Reserved
17.8 Receiving Area Operation Settings Management
17.9 Continuous use of autonomous mode reporting intervals
18 Transport Layer Test
18.1 Addressing Message
18.2 Inquiry Response
19 Indicates that the interface test is 90.
19.1 General Requirements
19.2 Manufacturer Documentation Check 90%
19.3 Electrical Testing
19.4 Sensor Input Interface Performance Test
19.5 Sensor Input Test
19.6 High-speed port output test
19.7 High-speed output performance test
19.8 Undefined VDL message output
19.9 High-speed input test
20 Remote Functionality Test
20.1 Bidirectional Interface Remote Application
20.2 Remote Broadcasting Applications
Appendix A (Informative) Technical Differences Compared with IEC 61993-2:2018 and Their Reasons
Appendix B (Normative) Digital Selective Calling Function
B.1 DSC compatibility
B.2 DSC Receiver Test
B.3 DSC Functionality Test
Appendix C (Normative) Functional Modules of AISA-type Devices
Appendix D (Normative) Extended Dimension Values for Tug Rollers
D.1 General requirement
D.2 Method
Appendix E (Informative) ALR/ACK Alarm Handling
Appendix F (Normative) Calculation of Area and Distance
F.1 Area Calculation
F.2 General Distance Calculation
Appendix G (Normative) Chinese Communication Rules and Encoding Requirements
G.1 14-bit Chinese character encoding rule
G.2 Methods for converting between transmit/receive codes and internal codes
G.3 13-bit Chinese character encoding rule
Appendix H (Normative) Overview of AISA Class Device Interfaces
Appendix I (Informative) Conversion between IEC 61162-1 Statements and IEC 61162-3 Parameter Group Numbers
Appendix J (Normative) New Interface Statement --- Sender Signature Verification (SSA)
Appendix K (Normative) Updated Interface Statements --- AIS Navigation Static Data (VSD)
References

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".

Drafting.

This document is modified to adopt IEC 61993-2:2018 "Automatic Identification Systems for Marine Navigation and Radio Communication Equipment and Systems".

(AIS) Part 2: Common Automatic Identification System (AIS) Category A Shipboard Equipment Operation and Performance Requirements, Test Methods and Test Requirements result".

This document differs significantly from IEC 61993-2:2018.The relevant clauses are indicated in vertical margins.

Single lines (|) are indicated. These technical differences and their reasons are explained in Appendix A.

The following editorial changes have been made to this document.

---The standard name has been changed from "Automatic Identification System (AIS) Part 2 for Marine Navigation and Radio Communication Equipment and Systems" to "Automatic Identification System (AIS) Part 2".

Section. Operation and performance requirements, test methods, and test results for Category A shipboard equipment of the Automatic Identification System (AIS).

The original document was revised to "Performance and Testing Requirements for Category A Ship Automatic Identification System (AIS) Equipment".

---The content of the "Abbreviations" has been changed (see 3.2), adding "BeiDou Navigation Satellite System" and "Galileo Global Navigation Satellite System".

Abbreviations for "Global Navigation Satellite System", "Global Positioning System", "Bit Error Rate", "Global Positioning System", "Session Identifier", "Heading", etc.

To ensure consistency between the document and its surrounding text, abbreviations such as "communication status" and "navigation status" have been removed, and the Chinese terms are used directly to conform to standards.

Quasi-textual expression requirements;

---The example in the sensor initialization phase requirements for AISA-class devices has been modified, changing "GPS" and "GLONASS".

The terms "BDS" and "GPS" (see 6.7) were used to make the document more suitable for my country's national conditions;

---The expression for the maximum absolute measurement uncertainty has been changed and is presented in Table 31 (see 9.5). Subsequent Tables 32-36 will follow.

Corresponding to Tables 31 to 35 of IEC 61993-2:2018.

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed and is under the jurisdiction of the Ministry of Transport of the People's Republic of China.

1 Scope

This document specifies the basic requirements, other requirements, performance requirements, technical requirements, and remote application requirements for Category A Automatic Identification System (AIS) equipment.

Test, link layer test, network layer test, transport layer test, interface test, remote function test requirements.

This document applies to the design, production, testing, and use of AISA-class devices.

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 20068-2017 Technical Requirements for Shipborne Automatic Identification System (AIS) GB/T 2312 Basic Set of Chinese Character Coded Character Set for Information Interchange IEC 60945:2002 Marine navigation and radio communication equipment and systems. general requirements, test methods and required test results Note. GB/T 15868-1995 Global Maritime Distress and Safety Systems (CMDSS) - General Requirements for Test Methods of Marine Radio Equipment and Marine Navigation Equipment Test results according to laws and requirements (IEC 60945:1994, IDT) IEC 61108-1 Marine navigation and radio communication equipment and systems - Global Navigation Satellite Systems (GNSS) - Part 1: Global [required test results] Note. GB/T 18214.1-2000 Global Navigation Satellite Systems (GNSS) Part 1: Performance Standards and Testing for Global Positioning System (GPS) Receiving Equipment Test results according to methods and requirements (IEC 61108-1:1996, IDT) IEC 61108-2 Marine navigation and radio communication equipment and systems - Global Navigation Satellite Systems (GNSS) - Part 2: Global Test results of performance standards, test methods and requirements for GLONASS receiver equipment [Maritime] IEC 61108-3 Marine navigation and radio communication equipment and systems - Global Navigation Satellite Systems (GNSS) - Part 3: Galileo IEC 61108-5 Marine navigation and radio communication equipment and systems - Global Navigation Satellite Systems (GNSS) - Part 5: BeiDou

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 128 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60945 · IEC 61108

Cited by

GB/T 9391-2025Maritime navigation and radiocommunication equipment and systems - Shipborne radar - Performance requirements, methods of testingand required test results

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