STC SA04643CH

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 

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HARTZELL PROPELLER LLC

ONE PROPELLER PLACE PIQUA, OHIO 45356-2634 CAR 3 the Civil Air Regulations.

See attached FAA Approved Model List (AML) No. AML-050923 for list of approved Original Product Type Certificate Numbers. Textron Aviation Inc.

See attached FAA Approved Model List (AML) No. AML-050923 for list of approved Models

- Installation of Hartzell Propeller model HC-(C,G,J)3YF-1N/NM8411-( ) in accordance with Hartzell STC Installation Instructions INST-050923 (Initial Revision) dated 10/12/2024 or later FAA-approved revisions.

- Airplane Flight Manual Supplement AFMS-050923 (Initial Revision) dated 09/26/2024 or later FAA-approved revision is required.

- Instructions for Continued Airworthiness ICA-050923 (Initial Revision) dated 10/12/2024 or later FAA-accepted revision are applicable.

1. A copy of this certificate and FAA Approved Model List AML-050923 must be maintained as part of the permanent records for the modified airplane. This STC is applicable to all serial numbers of the airplanes listed on AML-050923.

2. The installer must determine whether this design change is compatible with previously approved modifications.

3. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

(See Continuation Sheet 3 of 3 pages) 12/13/21 12/13/24 Bo R. Landess STC ODA administrator Hartzell Propeller ODA-100082-CE 3

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4. Revised Type Certificate Data Sheet information:

Propeller and Propeller Limits:

(a) Hartzell Propeller LLC HC-(C,G,J)3YF-1N/NM8411-( ) Diameter: See AFMS-050923 (Initial Revision) dated 09/26/2024 or later FAA-approved revision for diameter limitations.

Pitch Settings at: 30 inch radius

(b) Hartzell Propeller LLC Spinner: See INST-050923 (Initial Revision) dated 10/12/2024 or later FAA-approved revision for eligible spinner model.

5. The original certification basis (CAR Part 3 as amended May 15, 1956) was used for this STC with the following exceptions:

14 CFR §23.901 Amendment 23-7 14 CFR §23.907 Amendment 23-59 14 CFR §23.1041 Amendment 23-7 14 CFR §23.1043(a)(b)(c) Amendment 23-7 14 CFR §23.1047 Amendment 23-7 14 CFR §23.1529 Amendment 23-26 14 CFR §23.1559(a1)(b) Amendment 23-21

6. This modification does not constitute an acoustical change per 14 CFR §21.93(a)(b3) Amendment 21-97.

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