# Proposed AD FAA-2016-8501: Sikorsky Aircraft Corporation Helicopters

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2019-13-05
- Products: Sikorsky
- Product type: Aircraft
- Action: Supplemental notice of proposed rulemaking (SNPRM); reopening of comment period.
- Published: December 26, 2018, 83 FR 66167
- Comments due: February 11, 2018
- Became: [AD 2019-13-05](https://openairdocs.org/ad/2019-13-05)
- Docket: FAA-2016-8501 (https://www.regulations.gov/docket/FAA-2016-8501, where comments are filed)
- FR document: 2018-27713
- Official PDF: https://openairdocs.org/files/sha256/06/f5/06f53bb4e558ce370a560a1dbafd20b7876159007e861a516438bf67d115ad5c (from https://www.govinfo.gov/content/pkg/FR-2018-12-26/pdf/2018-27713.pdf)
- Federal Register: https://www.federalregister.gov/documents/2018/12/26/2018-27713/airworthiness-directives-sikorsky-aircraft-corporation-helicopters
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4DFA96938A55C4A58625839A006F9F52.0001
- Page: https://openairdocs.org/proposed/FAA-2016-8501

## Summary

We are revising an earlier proposal for Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters. This action revises the notice of proposed rulemaking (NPRM) by increasing the estimated costs of compliance and removing the daily inspection requirements. We are proposing this airworthiness directive (AD) to address the unsafe condition on these products. Since these actions would impose an additional economic burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on this change.

## Notices in this docket

- Jul 15, 2016: Notice of proposed rulemaking (NPRM). (first notice), FR document 2016-16749, comments due Sep 13, 2016 (https://www.federalregister.gov/documents/2016/07/15/2016-16749/airworthiness-directives-sikorsky-aircraft-corporation-helicopters)
- Dec 26, 2018: Supplemental notice of proposed rulemaking (SNPRM); reopening of comment period., FR document 2018-27713, comments due Feb 11, 2018 (https://www.federalregister.gov/documents/2018/12/26/2018-27713/airworthiness-directives-sikorsky-aircraft-corporation-helicopters)

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