# Proposed AD FAA-2023-1215: Saab AB, Support and Services (Formerly Known as Saab AB, Saab Aeronautics) Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2023-17-02
- Products: Saab AB Support and Services
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: June 20, 2023, 88 FR 39794
- Comments due: August 4, 2023
- Became: [AD 2023-17-02](https://openairdocs.org/ad/2023-17-02)
- Docket: FAA-2023-1215 (https://www.regulations.gov/docket/FAA-2023-1215, where comments are filed)
- Project: MCAI-2023-00196-T
- FR document: 2023-12927
- Official PDF: https://openairdocs.org/files/sha256/cf/e3/cfe32333f36175ef152e2bf16fc1e1dec7ab45882aecdbe63135ab050f2452cd (from https://www.govinfo.gov/content/pkg/FR-2023-06-20/pdf/2023-12927.pdf)
- Federal Register: https://www.federalregister.gov/documents/2023/06/20/2023-12927/airworthiness-directives-saab-ab-support-and-services-formerly-known-as-saab-ab-saab-aeronautics
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2023-12927-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2023-1215

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain Saab AB, Support and Services Model 340A (SAAB/SF340A) and SAAB 340B airplanes. This proposed AD was prompted by reports of a high number of events related to stall warnings upon landing, following introduction of the ice speed function within the stall warning system. This proposed AD would require modification of the stall warning/ identification system, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Jun 20, 2023: Notice of proposed rulemaking (NPRM). (first notice), FR document 2023-12927, comments due Aug 4, 2023 (https://www.federalregister.gov/documents/2023/06/20/2023-12927/airworthiness-directives-saab-ab-support-and-services-formerly-known-as-saab-ab-saab-aeronautics)

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