PRE OWNED SIMRAD SIMRAD AI-70A SIMRAD AI-70 MARINE AIS

PRODUCT OVERVIEW

The Simrad AI-70 is an IMO-compliant Class-A Universal AIS designed for the demanding commercial maritime sector. Known for its modularity, the system separates the heavy-duty transponder from the user interface, allowing for a clean and flexible bridge installation. The AI70 MKD (Minimum Keyboard Display) provides a sharp monochrome interface for monitoring vessel traffic, managing voyage data, and receiving safety-related messages. As a refurbished unit, the AI-70 is highly valued for its robust signal processing and its long-standing reputation for reliability on deep-sea vessels.

TECHNICAL SPECIFICATIONS

Model: Simrad AI-70

System Components: AI70 Transponder Unit & AI70 MKD (Display Unit)

Display: Compact Monochrome LCD with Rotating Control Knob

Output Power: 12.5 W / 2 W (Automatic/Manual)

Frequency Range: 156.025 MHz to 162.025 MHz

GNSS Receiver: Internal 12-channel "All-in-View" receiver (GPS/DGPS)

Interfaces: * 6x RS-422 Serial Ports (NMEA 0183 / IEC 61162-1/2)

1x RS-232 Service Port

1x LAN (Ethernet 10Base-T)

Power Supply: 24 VDC nominal (Accepts 18 V to 36 V DC)

Power Consumption: 30W (Nominal) / 70W (Peak during TX)

Weight: Transponder: 6.0 kg | MKD Unit: 0.9 kg

KEY FEATURES & APPLICATIONS

Modular "Split" Design: The remotely mounted transponder can be placed in a technical rack or under the console, while the compact MKD unit is installed within the navigator’s reach, saving valuable bridge space.

Intuitive Rotating Knob: The MKD features a rugged rotating dial for fast scrolling through target lists and menu options—a preferred feature for operators working in heavy seas.

Graphical Target View: Provides a basic graphical plotter representation of surrounding AIS traffic, allowing for a quick "radar-like" situational assessment.

Extensive Interfacing: Fully compatible with professional Simrad RA80/90 series radars and CS56 ECDIS, as well as third-party navigation systems.

Search and Rescue (SAR) Support: Specialized for high-stakes operations; compatible with AIS-SARTs to provide pinpoint accuracy for vessels in distress.

Safety Messaging (SMS): Allows for the transmission and reception of free-text safety messages to other ships or coastal base stations.

DGPS Ready: Can accept RTCM SC-104 v2.1 corrections for enhanced positioning accuracy (down to 5m).

TYPICAL CONDITION (USED/REFURBISHED)

Common Components: A standard refurbished set from ship-recycling hubs typically includes the Transponder Unit, MKD Display, and the GPS/VHF Antennas.

Quality Check: Used units are typically tested for "MKD Knob" responsiveness and transmitter power output (12.5W).

Reliability Note: Sourced frequently from international commercial vessels, these units are checked for the latest firmware compatibility with modern Bridge Alert Management (BAM) requirements.

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