# STC SA00125IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: MT-Propeller Entwicklung GmbH, Germany
- Description: Installation of the MT-Propeller Entwicklung GmbH model MTV-27-1-E-C-F-R(P)-J/CFR300-82() propeller
- Applied: January 25, 2023
- Status date: July 24, 2023
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A19SW](https://openairdocs.org/tcds/A19SW)
- Certificate PDF: https://openairdocs.org/files/sha256/c7/85/c7856b18cade0f18946b077e619e47fead2684cc9917aef4db9f3d2bae2dedfb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181254584520231116144310.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00125IB

## ADs that name it (0)

None.

## Approved models (1)

- Air Tractor Inc. AT-602 ([TCDS A19SW](https://openairdocs.org/tcds/A19SW))

## 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 SA00125IB MT-Propeller Entwicklung GmbH Flugplatzstrasse 1 94348 Atting Germany Part 23 Title 14 Code of Federal Regulations A19SW Air Tractor, Inc

AT-602

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

(See continuation sheet 3) January 25, 2023 July 24, 2023 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4

**IMPORT SA00125IB 4**

IMPORT SA00125IB Date Issued: July 24, 2023

Description of Type Design Change (continued):

1. Installation of the MT-Propeller Entwicklung GmbH model MTV-27-1-E-C-F-R(P)-J/CFR300-82() propeller on the Air Tractor, Inc. AT-602 model aircraft equipped with Pratt & Whitney PT6A-45 series, PT6A-60 series, or PT6A-65 series engines must be in accordance with the MT-Propeller Entwicklung GmbH Master Documentation List, Doc. # E-3986, Revision 1, dated May 23, 2023, or later European Union Aviation Safety Agency (EASA) accepted revisions, and the MT-Propeller Entwicklung GmbH Installation Instructions, Doc. # E-3989, Revision 0, dated November 23, 2022, or later EASA accepted revisions.

2. Maintenance must be in accordance with the MT-Propeller Entwicklung GmbH Instructions for Continued Airworthiness, Doc. # E-3990, Revision 0, dated November 23, 2022 or later EASA accepted revisions.

3. Operations must be in accordance with the MT-Propeller Entwicklung GmbH Airplane Flight Manual Supplement and Pilots Operating Handbook Supplement, Doc. # E-3988, Revision 0, dated November 23, 2022 or later EASA approved revisions.

2. 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.

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

4. Operate in accordance with the Limitations section of the Airplane Flight Manual Supplement and Pilots Operating Handbook Supplement referenced in the Description section.

IMPORT SA00125IB Date Issued: July 24, 2023

Limitations and Conditions (continued)

Certification Basis:

Based on Title 14 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 Air Tractor, Inc. AT-602 is as shown on Type Certification Data Sheet (TCDS) A19SW.

This modification has been determined to be no acoustic change in accordance with 14 CFR 21.93(b).

----------END---------- 4 4

## Every issue (1)

- July 24, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c7/85/c7856b18cade0f18946b077e619e47fead2684cc9917aef4db9f3d2bae2dedfb)

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