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Instruments & Electronics

ARAMIS is  fitted with the following instruments and electronics.   NB: electronics related to navigation & autopilot, saftey & signaling and the engine are delt with on separate pages.

droppedImage Default_1 Default RO4800

Raymarine ST60+ Depth

(with Airmar B22 transducer)

Raymarine ST60+ Wind

(with E22078 masthead windvane)

Raymarine ST60+ Log & Temperature

(with Airmar ST800 /B120 transducer)

Depth Sensor Speed Sensor E22078

NB: The bronze through hull fitting option is essential to avoid possible crushing as the hull planks absorb water.

NB: The bronze through hull fitting option is essential to avoid possible crushing as the hull planks absorb water.

Radio Ocean RO4800 DSC VHF with Integrated AIS receiver and dedicated GR16 GPS receiver.

(also sold under Furuno & Geonav Brands)


Shipmodul WiFi Miniplex


Standard Horizon HX270E Submersible Handheld VHF

HX270E GR16 (1) image033 image034

Camino 108 AIS transceiver


Cubo 161 antenna splitter


Altekmarine Class B AIS, antenna splitter and GPS antenna

AIS GPS antena

ANT21 GPS antenna


The NMEA data output is connected to the Wifi/mux (see above) such that AIS target navigation data, AIS safety messages and addressed DSC messages are available to the B&G Zeus2 MFD and to any Wifi connected devices (iPad, etc.).


The AIS can be configured and monitored via a USB connection.

A note on Data Networks


The following devices are networked;  ST60 wind, depth and log instruments, SPX5 course computer, ST6002 autopilot controller, GPS receiver (via the VHF), B&G Zeus2 GPS plotter/multi function display (see: Navigation & autopilot), AIS transceiver and the VHF/DSC radio with integrated AIS reception.


The bus is divided into two parts; a Raymarine Seatalk bus connects all Raymarine instruments and the Raymarine course computer and autopilot controller.  All other devices are on a NMEA 0183 bus.  (see: Wiring schematic for more details)


Translation and interconnection between the two buses is provided via the Shipmodul Wifi Multiplexer.


The multiplexer manages priorities and routing between the data devices.  Typically, GPS data is provided to all devices from the GPS receiver in the B&G, however, if the receiver fails, the receiver integrated with the plotter takes over.


Waypoint and route information can be provided either from the iPad or the MFD/plotter in a master slave configuration.  The slave simply plots the data.


AIS data is available on the bus from the Class B transceiver. It could be made available from the integrated AIS receiver in the VHF should the Class B receiver fail.  AIS data can be viewed from panal of the VHF, displayed on the iPAD or MFD.


For future flexibility, the MFD has an NMEA2000 port (currently unused). The MFD also has an Ethernet connection on a flying lead. This can be used for downloading data (GRIBS, etc) to the MFD or to connect to a Wifi adaptor.

The mux. also provides Wifi connectivity to all NMEA data and the SeaTalk™ to NMEA transcoding.


The routing and priorities of all NMEA and SeaTalk™ sentences can be set via a USB port.

The transducer is under the starboard heads sole board and can be removed for cleaning.  It is shown here removed, with the bung in place to avoid fouling during the winter.

The handheld VHF sits in s charging station on the starboard side of the companionway

This schematic summarise the data routing as configured in January 2017

Shipmodul mux configuration file


Data interconnect thumb Magblue