Anschutz Gyro Compass Standard 20 Service Manual < 2026 Edition >

To maintain true north accuracy, the Standard 20 must compensate for speed, latitude, and course errors (known as the quadrant error or speed-error correction).

The Anschütz Standard 20 is a highly reliable marine gyro compass system used worldwide for commercial shipping and naval vessels. Regular maintenance, troubleshooting, and calibration are essential to ensure precise heading information. anschutz gyro compass standard 20 service manual

±0.1 degrees multiplied by the secant of the latitude. To maintain true north accuracy, the Standard 20