NAVIPOL - Magnetic Compass

A wide range of Marine Magnetic Compass system products are manufactured by Northrop Grumman Sperry Marine, including a flux-gate pick-off with an integrated sine/cosine interface, by-pass arrangements, azimuth devices and magnetic compass autopilots (TMC).

All products are manufactured to Northrop Grumman Sperry Marine’s world-renowned high standards.
JUPITER Magnetic Compass
Northrop Grumman Sperry Marine manufactures the legendary JUPITER magnetic flat glass compass and its own aluminium alloy binnacles. NAVIPOL models include the NAVIPOL I steering and bearing compass reflector binnacle with a by-pass arrangement, NAVIPOL II bearing compass binnacle, NAVIPOL III steering and bearing compass binnacle with window.
All binnacles are supplied with a JUPITER Magnetic Compass, a dimmer and B, C, D and Flinder's bar correctors. Optional features included a protective cover, set of additional B and C compensating magnets and azimuth device PV 24. Read more about the JUPITER Magnetic Compass.


The JUPITER is a bearing compass, steering compass, reflector compass and overhead compass for large vessels. A “class A” Magnetic Compass with a card diameter of 180 mm.

Type approved Magnetic Compass
The Magnetic Compass meets ISO 449 standards and is type approved in accordance with the EC Council Directive 96 / 98 / EC. Further type approvals for many other countries are available.
JUPITER installed in NAVIPOL binnacles
The JUPITER compass may be installed in all NAVIPOL binnacles and its accuracy is better than 0.5°. Options for the JUPITER include: flux-gate pickoff, shadow pin, wooden transport box, replacement parts kit, azimuth device.
NAVIPOL Specifications
Standard power supply 230 VAC or 115 VAC or 24 VDC
Emergency power supply 230 VAC or 115 VAC or 24 VDC
Weight 60 KG
NAVIPOL I Standard & Steering Compass Reflector Binnacle. The length of the reflector tube is determined by a + b. Reflector tubes are available in the following lengths: 1000, 1500 and 2000 mm
NAVIPOL II Standard & Steering Compass Binnacle
NAVIPOL III Steering Compass Binnacle with Window
NAVIPOL U Standard & Steering Compass Reflector Binnacle with a Bypass Arrangement

Product Brochure


Product Manuals

Release notes

Software Update Package