# STC SA00925WI

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: MT- Propeller Entwicklung GmbH, Germany
- Description: Installation of MT-Propeller model MTV-14-D/195-30a hydraulic 4-blade constant speed propeller.
- Applied: November 22, 1999
- Status date: March 26, 2025
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/06/40/06401714601ec9fc929785161a461bb28e8ef1780e2eca11c85c8dfec03371ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135751637920250326204239.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00925WI

## ADs that name it (0)

None.

## Approved models (5)

- Textron Aviation Inc. P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. P210R ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210R ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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 SA00925WI MT-Propeller Entwicklung GmbH Flugplatzstrasse 1 94348 Atting Germany Part 3 Civil Air Regulations 3A21 Textron Aviation Inc.

P210N, P210R, T210M, T210N, T210R Configuration 1:

1. Installation of the MT-Propeller Entwicklung GmbH model MTV-14-D/195-30a propeller on the Textron Aviation Inc. P210N, P210R, T210M, T210N, and T210R must be in accordance with MT-Propeller Entwicklung GmbH Installation Instructions, Doc # MTUS-642, Edition1, dated October 11, 1999, or later European Union Aviation Safety Agency (EASA) accepted revisions.

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

(See continuation sheet 4) November 22, 1999 March 20, 2007 November 30, 2000 November 18, 2021, March 26, 2025 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4

**IMPORT SA00925WI 4**

IMPORT SA00925WI Date Amended: March 26, 2025

Description of Type Design Change (continued):

Configuration 1 (continued):

2. Maintenance must be in accordance with MT-Propeller Entwicklung GmbH Operation and Installation Manual, Doc. # E-124, Issue 71, dated March 6, 2023, or later EASA accepted revisions.

3. Operations must be in accordance with MT-Propeller Entwicklung GmbH's Supplemental Airplane Flight Manual, Doc # E-643E-1, Original Issue, dated October 11, 1999, or later EASA approved revisions and Pilot's Operating Handbook and Airplane Flight Manual Supplement, Doc # E-643E-2, Original Issue, dated October 11, 1999 (as appropriate), or later EASA approved revisions.

Configuration 2:

1. Installation of the MT-Propeller Entwicklung GmbH model MT-Propeller Entwicklung GmbH model MTV-14-D/195-30b propeller on the Textron Aviation Inc. P210N, P210R, T210M, T210N, and T210R must be in accordance with MT-Propeller Entwicklung GmbH's Master Documentation List, Doc # E-2018, Revision 9, dated January 20, 2025, or later EASA accepted revisions and Installation Instructions, Doc # E-2025, Revision 3, dated February 14, 2024, or later EASA accepted revisions.

2. Maintenance must be in accordance with MT-Propeller Entwicklung GmbH Instructions for Continued Airworthiness, Doc. # E-2026, Revision 4, dated February 14, 2024, or later EASA accepted revisions.

3. Operations with a propeller speed reduction to 2500 rpm must be in accordance with MT-Propeller Entwicklung GmbH Supplement Airplane Flight Manual, Doc # E-2024, Revision 4, dated February 2, 2024, or later EASA Approved revisions. Operations with a maximum propeller speed of 2700 rpm must be in accordance with MT-Propeller Entwicklung GmbH Supplement Airplane Flight Manual, Doc # E-4004, Revision 2, dated February 2, 2024, or later EASA Approved revisions.

IMPORT SA00925WI Date Amended: March 26, 2025

2. The aircraft must be operated in accordance with the Limitations sections of the Supplement Airplane Flight Manuals or Pilot's Operating Handbook and 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:

The certification basis for this modification is based upon Civil Air Regulations (CAR) Part 3 and Title 14 Code of Federal Regulations (CFR) Part 23 as specified in Type Certificate Data Sheet (TCDS) 3A21, except for areas changed or affected by the design change, for which the certification basis is TCDS 3A21 plus 14 CFR Part 23 amendments 23-1 through 23-34 and 14 CFR Part 36 at Amendment 36-32.

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## Every issue (3)

- March 26, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/06/40/06401714601ec9fc929785161a461bb28e8ef1780e2eca11c85c8dfec03371ae)
- November 18, 2021: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/f6/41/f641444fc066f064a72a345be535f5527bf8ba1e05c2053600137a5eb9721300)
- March 20, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/07/06/07060d0f27416c169c86672e18ad6e160c5a9785fd18655ebca27a7b5df9340a)

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