STC SA03658NY

United States of America Department of Transportation Federal AviationAdministration Supplemental TypeCertificate IMPORT SA03658NY Number:

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

Make: Commander Aircraft Corporation Original Product A12SO Model: 112, 112B, 112TC, 112TCA Description of Type Design Change:

1. Installation of MT-Propeller Entwicklung GmbH model MTV-12-B/188-59f 3-blade constant speed propeller and spinner on Commander Aircraft Corporation 112 or 112B model aircraft equipped with Lycoming IO-360-C1D6 engines optionally modified with STC No. SA5202NM or 112TC, 112TCA model aircraft equipped with Lycoming TO-360-C1A6D engines in accordance with the configuration stated in Master Operational Manual List, Doc. No. E-2611, Rev. 5, dated ... (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-2612, Rev. 4, dated May 2, 2018 or later EASA approved revision.

(Limitations and Conditions Continued on Page 3 of 3)

August 27, 2015 Date of Application: Date Reissued:

February 1, 2016 February 26, 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 SA03658NY Number:

Transfer Endorsement SA03658NY 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: SA03658NY (Date Amended: February 26, 2021) Description of Type Design Change (continued):

1. November 11, 2020 and Installation Instructions, Doc. No. E-2613, Rev. 2, dated February 1, 2018 or later EASA approved revision.

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

E-2612, Rev. 4, dated May 2, 2018, 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-2614, Rev. 2, dated October 20, 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 Commander Aircraft Corporation 112, 112B, 112TC, 112TCA aircraft is as follows:

a) The type certification basis for the Commander Aircraft Corporation 112, 112B, 112TC, 112TCA aircraft as shown on TCDS A12SO for parts not changed or not affected by the change.

b) The type certification basis for the Commander Aircraft Corporation 112, 112B, 112TC, 112TCA aircraft as shown on TCDS A12SO for parts changed or affected by the change with the following exceptions:

• Compliance with 14 CFR §23.1529 at Amendment 23-26.

• Compliance with 14 CFR Part 36 at Amendment 36-30.

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