The unique technology in the GC85 gyrocompass eliminates the need for annual service. The highest possible accuracy and stability is provided by a sophisticated and fully sealed sensitive element.

  • IMO Approved
  • Very low RPM reduces wear and increases lifetime
  • Swappable sensitive elements for onboard service
  • Sensitive elements require no annual servicing
  • No oil change and quick installation
  • Full 2 year warranty


The Simrad GC85 gyrocompass is the ideal solution for the advanced DP system needed in offshore industry. Shipowners as well as DP system providers all over the world have learned that the Simrad GC series gyrocompass offers the most flexible gyro compass solution on the market. A combination of a Dual- and an Expanded system, consisting of all together three gyro compasses will offer a DP vessel all the heading and control information needed for effective operations under the most harsh conditions. The simple and quick installation and set-up process as well as the fact that no annual service is required makes a Simrad gyro system the best solution for any 24/7 operator. The world wide service and warranty network ensures extra support whenever needed.



Dynamic error (x secant latitude) Less than -0.4 deg ±
Follow Up Rate > 75 deg/sec
Picth/Roll Angle +/- 45 deg
Setting Time < 3h
Settle point error (x secant latitude) Less than -0.1deg ±
Static error (x secant latitude) Less than -0.1 deg ±


Product Width 340 mm \ 13.4 in
Product Depth 340 mm \ 13.4 in
Product Height 438 mm \ 17.2 in
Product Weight 23 kg \ 50.71 lbs


Type Approval Wheelmark IMO: MSC97 (73), 13.2.6 (2000 HSC Code) IEC: 60945, 61162 ISO: 6328 (2001)