STC SA04463NY

and Part 23 of Title 14 Code of Federal Regulations.

IMPORT SA04463NY MT-Propeller Entwicklung GmbH Flugplatzstrasse 1 94348 Atting Germany Part 3 Civil Air Regulations 2A13 Piper Aircraft, Inc.

PA-28-235, PA-28-236

1. Installation of the MT-Propeller Entwicklung GmbH MTV-9-B/198-52() propeller on the Piper Aircraft, Inc.

PA-28-235 and PA-28-236 aircraft must be done in accordance with the MT-Propeller Entwicklung GmbH Master Documentation List, Doc. # E-2878 Revision 7, dated April 9, 2026, or later European Union Safety Agency (EASA) accepted revisions, and the Installation Instructions, Doc # E-2886, Revision 3, dated February 5, 2026, or later EASA accepted revisions.

1. This Supplemental Type Certificate (STC) is applicable to all serial numbers for this Make-Model.

(See continuation sheet 3) November 6, 2019 September 3, 2020 June 2, 2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

IMPORT SA04463NY 3

IMPORT SA04463NY Date Amended: June 2, 2026

Description of Type Design Change (continued):

2. Maintenance must be in accordance with the MT-Propeller Entwicklung GmbH Instructions for Continued Airworthiness, Doc. # E-2887, Revision 3, dated February 5, 2026, or later EASA accepted revisions.

3. Operations must be in accordance with the MT-Propeller Entwicklung GmbH Supplement Airplane Flight Manual, Doc. # E-2885 Revision 5, dated June 25, 2025, or later EASA approved revisions.

2. The aircraft must be operated in accordance with the Limitations section of the Supplement Airplane Flight Manual referenced in the Description section.

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

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.

Certification Basis:

Based on Title 14 Code of Federal Regulations (CFR) 21.115 and 21.101, and the Federal Aviation Administration (FAA) policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for the modified Piper Aircraft, Inc. PA-28-235 and PA-28-236 is as follows:

a. The type certification basis for the Piper Aircraft, Inc. PA-28-235 and PA-28-236 is as shown on Type Certification Data Sheet (TCDS) 2A13 for areas not changed or not affected by the change.

b. The type certification basis for the Piper Aircraft, Inc. PA-28-235 and PA-28-236 for areas changed or affected by the change is as shown on TCDS 2A13 with the following exceptions:

• 14 CFR Part 23.1529 at Amendment 23-26

• 14 CFR Part 36 at Amendment 36-32.

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