DEVICE: AIS
BRAND: SAAB
TYPE: R4
SAAB R4 Class A AIS Transponder System
Overview
The SAAB R4 is a fourth-generation, IMO-compliant Class A AIS transponder designed to significantly enhance situational awareness on board. Renowned for its reliability and advanced features, it has been widely adopted by commercial shipping, coast guard, and naval fleets around the world.
System Components
This integrated system includes:
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A high-precision Class A transponder with SOTDMA technology
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A high-resolution day/night multifunctional display (MKD)
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A controller unit and internal GPS receiver (with Upgrade options for DGPS, WAAS, EGNOS)
Key Features
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Standards-Compliant Design
Meets all current AIS carriage and performance requirements, ensuring full IMO, ITU, and IEC compliance. -
Advanced User Interface
The 6″ high-resolution graphical display provides radar-like plotting of up to 500 nearby vessels. Views are sortable by range or bearing and include messaging, voyage, and alarm displays. A pilot plug is integrated for onboard pilot connectivity. -
Wide Integration Capabilities
Interfaces seamlessly with GNSS, gyro, speed log, ECDIS/ECS, ARPA, radar, and chart systems via multiple sensor ports. -
Software-Upgradeable Platform
Built around a flexible DSP-based platform, the R4 system can be updated to incorporate new standards or features such as Secure AIS and future enhancements. -
Regional Support and Extended Coverage
Includes channel management for AIS operation in regional frequency bands and options for Long Range AIS responses via satellite systems like Inmarsat C. -
Enhanced Messaging Functions
Supports the sending and receipt of Safety-Related Messages (SRM) and general texts, plus interoperability with Class B “carrier sense” AIS messages. -
Flexible Power Options
A 1 W output setting is available for vessels carrying hazardous cargo where reduced transmission power is required for safety. -
Proven Operational Reliability
Designed with technology derived from Saab’s aerospace systems, offering low heat dissipation and high reliability even in high-demand environments.
Typical Applications
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Commercial Shipping – Supports real-time tracking, collision avoidance, and enhanced vessel awareness.
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Naval & Coast Guard Vessels – Ideal for mission-critical operations requiring robust AIS data and flexible messaging.
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Integrated Bridge Systems – Functions seamlessly within modern electronic bridge architectures via its rich interface suite.
Why Choose the SAAB R4 AIS?
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Trusted as the mariner’s preferred choice for reliable AIS navigation.
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Supports comprehensive system integration across navigation and communication platforms.
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Built to be future-proof, with software-upgradeable architecture and high adaptability.
