# Proposed AD 2001-NE-48-AD: Hartzell Propeller Inc., Model HC-C2YR-4CF Propellers

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2003-03-20
- Products: Hartzell Propellers
- Product type: Propeller
- Action: Notice of proposed rulemaking (NPRM).
- Published: September 19, 2002, 67 FR 59026
- Comments due: October 21, 2002
- Became: [AD 2003-03-20](https://openairdocs.org/ad/2003-03-20)
- Docket: 2001-NE-48-AD
- FR document: 02-23777
- Official PDF: https://openairdocs.org/files/sha256/8b/a4/8ba4c0018bd6d691bb4e0063c59b60a63ffae4b92bd2c65a919eded47da782b4 (from https://www.govinfo.gov/content/pkg/FR-2002-09-19/pdf/02-23777.pdf)
- Federal Register: https://www.federalregister.gov/documents/2002/09/19/02-23777/airworthiness-directives-hartzell-propeller-inc-model-hc-c2yr-4cf-propellers
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F0197F98A9B43EDF86256C390045CA52.0001
- Page: https://openairdocs.org/proposed/2001-NE-48-AD

## Summary

The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to Hartzell Propeller Inc. model HC-C2YR-4CF propellers. This proposal would require the reduction of the original hub and blades certified service (fatigue) life from unlimited hours to 2,000 hours. This proposal is prompted by a reevaluation by Hartzell Propeller Inc. of the original hub and blades service life certification calculations. The actions specified by the proposed AD are intended to prevent fatigue failure of the original propeller hub and blades which may result in loss of airplane control.

## Notices in this docket

- Sep 19, 2002: Notice of proposed rulemaking (NPRM). (first notice), FR document 02-23777, comments due Oct 21, 2002 (https://www.federalregister.gov/documents/2002/09/19/02-23777/airworthiness-directives-hartzell-propeller-inc-model-hc-c2yr-4cf-propellers)

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