Sperry Marine Gyrocompass Navigat 100

Wheelmark approved spinning mass gyrocompass
  • 180° heading offset function for shuttle vessels
  • HSC approved
  • High-speed follow-up system 100°/sec
  • Automatic North Speed Error Correction


Design and Main features

The Navigat 100 is a micropocessor controlled system which features internal North speed error correction. The housing is made out of polyurethane, which allows installation on any kind of bridge.


The Navigat 100 offers the possibilty to connect 4 gyro repeaters (IEC61162-1/2) including 24V DC power supply on different outputs at the same time. Additional 6 Outputs (IEC61162-1/2) are available to transmit data to e.g. Radar, AIS or ECDIS. Availability of inputs for a Central Alarm Monitor, Speedlog, GPS and magnetic heading source offers everything needed for a reliable and precise heading output.

Maintenance intervalls

The regular maintenance should be carried out by a authorized service technician in a 18 month circle. It is recomended that the Gyrosphere and centerpin are replaced every 5-years.

Technical informations:

Power Supply 24 VDC (main) and 24 VDC (backup)
Heading resolution:  0.1°
follow-up rate: 100°/sec
settling time: 2.9h