# Advisory Circular; Propeller Instructions for Continued Airworthiness
**AGENCY:**
Federal Aviation Administration, DOT.
**ACTION:**
Notice of availability of advisory circular.
**SUMMARY:**
The Federal Aviation Administration (FAA) announces the availability of advisory circular (AC) numbers 35.4-1, Propeller Instructions for Continued Airworthiness.
**DATES:**
The Engine and Propeller Directorate, Aircraft Certification Service, issued AC 35.4-1 on November 3, 2003.
**FOR FURTHER INFORMATION CONTACT:**
Jay Turnberg, Engine and Propeller Standards Staff, ANE-110, 12 New England Executive Park, Burlington, MA 01803; telephone: (781) 238-7116; fax: (781) 238-7199; e-mail: *[email protected].* The subject AC is available on the Internet at the following address: *http://www.airweb.faa.gov/rgl.*
**SUPPLEMENTARY INFORMATION:**
The FAA published a notice in the *Federal Register* on January 2, 2003 (68 FR 148) to announce the availability of the proposed AC and invite interested parties to comment.
**Background**
The propeller type certification process requires the applicant to prepare Instructions for Continued Airworthiness (ICA) under § 35.4. The ICA provide information for proper maintenance that ensures that propellers of that type design are airworthy. This AC addresses preparing ICA for propellers.
(Authority: 49 U.S.C. 106(g), 40113, 44701-44702, 44704.)
Issued in Burlington, Massachusetts, on November 3, 2003.
Peter A. White,
Acting Manager, Engine and Propeller Directorate, Aircraft Certification Service.