S-tec 55x Installation Manual [exclusive] -

The manual includes a flow chart titled “System Fails BIT – Rate Gyro LED Red.” Follow it religiously—90% of BIT failures are bad grounds or incorrect gyro orientation.

: Must be properly bonded to the airframe to prevent interference. S-tec 55x Installation Manual

A Comparative Analysis and Procedural Guide: S-TEC System Fifty Five X (55X) Autopilot Installation The manual includes a flow chart titled “System

Procedures to test the system after installation to ensure it operates correctly. S-tec 55x Installation Manual