# Proposed AD FAA-2022-1053: BAE Systems (Operations) Limited Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2022-23-07
- Products: BAE Systems
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 22, 2022, 87 FR 51271
- Comments due: October 6, 2022
- Became: [AD 2022-23-07](https://openairdocs.org/ad/2022-23-07)
- Docket: FAA-2022-1053 (https://www.regulations.gov/docket/FAA-2022-1053, where comments are filed)
- Project: MCAI-2022-00200-T
- FR document: 2022-17985
- Official PDF: https://openairdocs.org/files/sha256/5b/45/5b45f98f06d7bad8b390cc12ae5eee3e051d42e98a509feda3cdaca3e29b1d4f (from https://www.govinfo.gov/content/pkg/FR-2022-08-22/pdf/2022-17985.pdf)
- Federal Register: https://www.federalregister.gov/documents/2022/08/22/2022-17985/airworthiness-directives-bae-systems-operations-limited-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2022-17985-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2022-1053

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all BAE Systems (Operations) Limited Model BAe 146 series airplanes. This proposed AD was prompted by a finding that when the autopilot is engaged, the architecture of the autopilot system does not automatically disconnect the autopilot in response to pilot application of a pitch input or when the electric pitch trim switch on either pilot control wheel is operated. This proposed AD would require modifying the autopilot engagement circuit. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Aug 22, 2022: Notice of proposed rulemaking (NPRM). (first notice), FR document 2022-17985, comments due Oct 6, 2022 (https://www.federalregister.gov/documents/2022/08/22/2022-17985/airworthiness-directives-bae-systems-operations-limited-airplanes)

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