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S-tec | 55x Installation Manual

The Installation Manual concludes with a mandatory ground test procedure, often referred to as the Built-In Test Equipment (BITE) sequence.

  • Static Leak Check: Apply a slight vacuum to the static line to the autopilot to verify the altitude hold engages and the aircraft does not pitch wildly during the ground test.

    • The 55X requires complex interfacing with the aircraft’s existing systems. This is the most labor-intensive phase of the installation. S-tec 55x Installation Manual

    From real-world field experience, here are insights not explicitly in the manual but highly valuable: The Installation Manual concludes with a mandatory ground