IEC 61924-2:2021 PDF

Maritime navigation and radiocommunication equipment and systems - Integrated navigation systems (INS) - Part 2: Modular structure for INS - Operational and performance requirements, methods of testing and required test results

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Title (English):

IEC 61924-2:2021

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 378
Publication date:: February 12, 2021
Edition:: IEC IS 61924 edition 2 version 1
ICS:: 47.020.70

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Description (English):

IEC 61924-2:2021 specifies the minimum requirements for the design, manufacture, integration, methods of testing and required test results for an integrated navigation system (INS) to comply with the International Maritime Organization (IMO) requirements of Resolution MSC.252(83), as amended by Resolution MSC.452(99). In addition, it takes account of IMO Resolution A.694(17) to which IEC 60945 is associated. When a requirement in this document is different from IEC 60945, the requirement of this document takes precedence.

Technical details

Technical committee: TC 80 - Maritime navigation and radiocommunication equipment and systems
SKU: IEC 61924-2:2021

Abstract

Overview

IEC 61924-2:2021 - Maritime navigation and radiocommunication equipment and systems - Integrated navigation systems (INS) - Part 2 defines minimum operational and performance requirements, methods of testing and required test results for modular Integrated Navigation Systems (INS). Edition 2.0 (2021) specifies design, manufacture, integration and verification criteria intended to ensure compliance with IMO Resolution MSC.252(83) as amended by MSC.452(99). The document also takes account of IMO Resolution A.694(17) associated with IEC 60945; where conflicts exist, IEC 61924-2 requirements take precedence.

Key topics and technical requirements

The standard organizes INS requirements into modular sections and covers core technical areas, including:

Module A - Integration of navigational information
- Interfacing and data exchange between sensors and systems
- Data availability, validity, integrity and failure handling
- Accuracy requirements, latency, plausibility checks and marking of data
- Consistent Common Reference System (CCRS) and common reference point (CCRP)
- Integrity monitoring and sensor/source selection
Module B - Task-related INS requirements
- Functional tasks: route planning, route monitoring, collision avoidance, navigation control data, alert management, status/data display
- Task stations, display requirements, default configurations and mode/status awareness
- Human–machine interface (HMI) design, inputs and displays
- Redundancy, backup strategies, failure modes, fallback arrangements and power supply considerations
- Technical requirements for hardware, processors, communications and installation
Module C - Alert management
- Central alert management architecture, priorities, categories and states (alarm/warning/caution)
- Consistent alert presentation, audible announcements, escalation and history
- Self‑monitoring, testing of alerts and fault tolerance of alert communication

Practical applications and who uses this standard

IEC 61924-2:2021 is intended for stakeholders involved in maritime safety, navigation equipment and system integration:

Shipbuilders and system integrators designing modular Integrated Navigation Systems (INS)
Maritime equipment manufacturers and sensor suppliers
Classification societies and flag administrations evaluating compliance with IMO requirements
Ship operators, shipyards and procurement teams specifying INS performance and testing
Test laboratories verifying operational performance, accuracy, latency and alert management

Benefits include standardized test methods, improved interoperability, robust alerting and consistent navigational information-supporting safer, IMO-compliant vessel operations.

Related standards and references

IMO Resolution MSC.252(83) and MSC.452(99) (as amended)
IMO Resolution A.694(17) and associated IEC 60945 requirements

For implementation details, test procedures and required result formats consult the full IEC 61924-2:2021 publication available from the IEC webstore.

Related standards

Mentioned in the description and other IEC standards

Abstract

Overview

Key topics and technical requirements

The standard organizes INS requirements into modular sections and covers core technical areas, including:

Module A - Integration of navigational information
- Interfacing and data exchange between sensors and systems
- Data availability, validity, integrity and failure handling
- Accuracy requirements, latency, plausibility checks and marking of data
- Consistent Common Reference System (CCRS) and common reference point (CCRP)
- Integrity monitoring and sensor/source selection
Module B - Task-related INS requirements
- Functional tasks: route planning, route monitoring, collision avoidance, navigation control data, alert management, status/data display
- Task stations, display requirements, default configurations and mode/status awareness
- Human–machine interface (HMI) design, inputs and displays
- Redundancy, backup strategies, failure modes, fallback arrangements and power supply considerations
- Technical requirements for hardware, processors, communications and installation
Module C - Alert management
- Central alert management architecture, priorities, categories and states (alarm/warning/caution)
- Consistent alert presentation, audible announcements, escalation and history
- Self‑monitoring, testing of alerts and fault tolerance of alert communication

Practical applications and who uses this standard

IEC 61924-2:2021 is intended for stakeholders involved in maritime safety, navigation equipment and system integration:

Shipbuilders and system integrators designing modular Integrated Navigation Systems (INS)
Maritime equipment manufacturers and sensor suppliers
Classification societies and flag administrations evaluating compliance with IMO requirements
Ship operators, shipyards and procurement teams specifying INS performance and testing
Test laboratories verifying operational performance, accuracy, latency and alert management

Benefits include standardized test methods, improved interoperability, robust alerting and consistent navigational information-supporting safer, IMO-compliant vessel operations.

Related standards and references

IMO Resolution MSC.252(83) and MSC.452(99) (as amended)
IMO Resolution A.694(17) and associated IEC 60945 requirements

For implementation details, test procedures and required result formats consult the full IEC 61924-2:2021 publication available from the IEC webstore.

IEC 61924-2:2021 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Practical applications and who uses this standard

Related standards and references

Related standards

Abstract

Overview

Key topics and technical requirements

Practical applications and who uses this standard

Related standards and references

Related standards

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