Nautical blog

Electronic compass for sailboat — fluxgate vs gyro vs attitude sensor 2026

The compass is the autopilot’s heading input. Magnetic fluxgate (entry level), fiber-optic gyro (racing), 9-axis attitude sensor (modern). The Navico Precision 9 has redefined the recreational segment with its magnetometer + gyro + accelerometer combo. Technical comparison, brands sold, sizing by program.