Nordhavn 56 Motor Sailor

Here is an exciting project design that is almost exclusively Furuno
gear. However, you'll notice an Interphase forward looking sonar as
well that integrates with the Furuno Navnet 3D system. Here are some
design highlights:

(Click on image to view as a high resolution, large-format paper, printable PDF.)

Navnet 3D

  • Black box processor with dual pilothouse monitors
  • 12 inch Multi-function display in cockpit
  • 3 redundant gps sources on 3 redundant buses.
  1. SC30 Satellite Compass on NMEA2000 bus
  2. GP330B GPS antenna directly connected to Navned 3D blackbox via
    6kw radar array
  3. FA50 AIS transciever's integrated GPS antenna on Navnet bus
  • Wireless access point for MaxSea TimeZero Laptop access to system
  • Sirius Satellite weather via BBWX1
  • Class B AIS transmitter and reciever via FA50
  • Engine room and aft looking cameras
  • 1kw depth system
  • Forward looking sonar display
  1. Interphase SE200C connected to Navnet display input
  • Wind anemometer and FI501 wind display


  • 2 redundant heading sources selected by physical toggle switch
  1. SC30 Satellite Compass
  2. PG500R Rate Compass
  • 2 control stations
  1. Cockpit
  2. Pilothouse
  • Accusteer HPU212 pump
  • Navigation input from Navnet3D

RD30 display with with 2 
sensors isolated from and independant of any other system

  • PB150 wind, weather and GPS sensor
  • Airmar 235DST depth, water speed, water temperature sensor

Photos courtesy (52 Left, 56MS Right)

Mast and rigging is up. Electronics installation underway!