STC SA11888CH

Number: SA11888CH

This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47. Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC ’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a pe rson to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 1 of 3 This certificate issued to:

Part 23 of Title 14 of the Code of Federal Regulations

Original Product Type Certificate Number: 2A3

Installation of Hartzell Propeller Model 2C1-R419A1/75C(S)08, 2 blade composite propeller in accordance with Hartzell Propeller STC Installation Instructions M2023-03, Revision A, dated January 25, 2025, or later approved revision.

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

2. Airplane Flight Manual Supplement M2023-06 (Initial Revision) dated 10/23/2023 or later FAA-approved revision is required

3. Instruction for Continued Airworthiness, report number M2023-05, Revision A dated January 25, 2025, or later FAA accepted revision must be available to the operator at the time on installation.

4. 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.

An STC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 2 of 2

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