# STC SA12227IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: MT-Propeller Entwicklung GmbH, Germany
- Description: Installation of the MT-Propeller Entwicklung GmbH MTV-9-B/188-50()
- Applied: October 1, 2025
- Status date: December 16, 2025
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A00009CH](https://openairdocs.org/tcds/A00009CH)
- Certificate PDF: https://openairdocs.org/files/sha256/56/33/563377e1075a56a4b058a446408aae33c155a8af407717ea104c629286604ee3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161200942020260413132753.0001
- DRS record last changed: April 13, 2026
- Page: https://openairdocs.org/stc/SA12227IB

## ADs that name it (0)

None.

## Approved models (1)

- Cirrus Design Corporation SR20 ([TCDS A00009CH](https://openairdocs.org/tcds/A00009CH))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

IMPORT SA12227IB MT-Propeller Entwicklung GmbH Flugplatzstrasse 1 94348 Atting Germany Part 23 Title 14 Code of Federal Regulations A00009CH Cirrus Design Corporation

SR20

1. Installation of the MT-Propeller Entwicklung GmbH MTV-9-B/188-50() propeller on the Cirrus Design Corporation SR20 aircraft must be done in accordance with the MT-Propeller Entwicklung GmbH Master Documentation List (MDL), Doc. # E-4462 Revision 3, dated November 27, 2025, and the Installation Instructions, Doc # E-4465, Revision 1, dated September 15, 2025, or later European Union Aviation Safety Agency (EASA) accepted revisions.

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

(See continuation sheet 3) October 1, 2025 December 16, 2025 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

**IMPORT SA12227IB 3**

IMPORT SA12227IB Date Issued: December 16, 2025

Description of Type Design Change (continued):

2. Maintenance must be in accordance with the MT-Propeller Entwicklung GmbH Instructions for Continued Airworthiness, Doc. # E-4466, Revision 0, dated August 27, 2025, or later EASA accepted revisions.

3. Operations must be in accordance with the MT-Propeller Entwicklung GmbH Airplane Flight Manual Supplement, # E-4464, Revision 0, dated August 27, 2025, or later EASA approved revisions.

2. The aircraft must be operated in accordance with the Limitations section of the Airplane Flight Manual Supplement 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 Cirrus Design Corporation SR20 is as follows:

a. The type certification basis for the Cirrus Design Corporation SR20 is as shown on Type Certification Data Sheet (TCDS) A00009CH for parts not changed or not affected by the change.

b. The type certification basis for the Cirrus Design Corporation SR20 for parts changed or affected by the change is as shown on TCDS A00009CH with the following exceptions:

• 14 CFR Part 36 at Amendment 36-32.

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## Every issue (1)

- December 16, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/56/33/563377e1075a56a4b058a446408aae33c155a8af407717ea104c629286604ee3)

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