STC SA04459NY

United States of America Department of Transportation Federal AviationAdministration Supplemental TypeCertificate IMPORT SA04459NY Number:

This certificate issued to: MT-Propeller Entwicklung GmbH Flugplatzstrasse 1 94348 Atting, Germany __.

Make: Textron Aviation Inc. Original Product A24CE Model: 1900, 1900C, 1900D Description of Type Design Change:

1. Installation of MT-Propeller Entwicklung GmbH model MTV-27-1-( )-C-F-R(P)/CFR260-65( ) 5-blade, constant speed, full feathering, reversible propellers and spinners on Textron Aviation Inc. 1900, 1900C, or 1900D model aircraft equipped with Pratt & Whitney Canada Corp. PT6A-65B or PT6A-67D engine models in accordance with the configuration stated in Master Operational Manual List, Doc. No. E-3385, Rev. 3, dated December 2, 2020 or later EASA approved revision and ... (continued on Page 3 of 3) (Description of Type Design Change Continued on Page 3 of 3) Limitations and Conditions:

1. The aircraft must be operated in accordance with the "Limitations" section of Airplane Flight Manual Supplement, Doc. No. E-3386, Rev. 2, dated December 2, 2020 or later EASA approved revision.

(Limitations and Conditions Continued on Page 3 of 3)

December 13, 2019 Date of Application: Date Reissued:

February 5, 2021 Date of Issuance: Date Amended:

Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Title: Aircraft Certification Service 3

United States of America Department of Transportation Federal AviationAdministration Supplemental TypeCertificate IMPORT SA04459NY Number:

Transfer Endorsement SA04459NY Transfer the ownership of Supplemental Type Certificate Number:

Date o transfer:

United States of America Department of Transportation Federal AviationAdministration Supplemental TypeCertificate IMPORT (Continuation Sheet) Number: SA04459NY (Date of Issuance: February 5, 2021) Description of Type Design Change (continued):

1. Installation Instructions, Doc. No. E-3387, Rev. 2, dated February 6, 2020 or later EASA approved revision.

2. Operation must be in accordance with Airplane Flight Manual Supplement, Doc. No.

E-3386, Rev. 2, dated December 2, 2020, or later EASA approved revision, and is required as part of this installation.

3. Maintenance must be in accordance with Instructions for Continued Airworthiness, Doc. No. E-3388, Rev. 1, dated February 6, 2020, or later EASA accepted revision, and is required as part of this installation.

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.

Certification Basis:

Based on 14 CFR §21.115 and §21.101, and FAA Order 8110.48, the certification basis for this modification to Textron Aviation Inc. 1900, 1900C, 1900D aircraft is as follows:

a) The type certification basis for the Textron Aviation Inc. 1900, 1900C, 1900D aircraft as shown on TCDS A24CE for parts not changed or not affected by the change.

b) The type certification basis for the Textron Aviation Inc. 1900, 1900C, 1900D aircraft as shown on TCDS A24CE for parts changed or affected by the change with the following exception:

• Compliance with 14 CFR Part 36 at Amendment 36-31.

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