# STC SA04066NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avionik Straubing Entwicklungs GmbH, Germany
- Description: Installation of Dual Garmin GTN650/GTN750 Systems
- Applied: August 21, 2017
- Status date: March 16, 2018
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A1WI](https://openairdocs.org/tcds/A1WI)
- Certificate PDF: https://openairdocs.org/files/sha256/df/9e/df9e43f0ca2d77fd553c41b173c9756185fd9afb416d40cb42bf2d5a885beeb2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6986DB4DB15638DD8625826E004CEEC9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04066NY

## ADs that name it (0)

None.

## Approved models (3)

- Textron Aviation Inc. 525 ([TCDS A1WI](https://openairdocs.org/tcds/A1WI))
- Textron Aviation Inc. 525A ([TCDS A1WI](https://openairdocs.org/tcds/A1WI))
- Textron Aviation Inc. 525B ([TCDS A1WI](https://openairdocs.org/tcds/A1WI))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA04066NY Avionik Straubing Entwicklung GmbH Flugplatztrasse 5 Atting, Germany 94348 Federal Aviation Regulations.

1. Installation of Dual Garmin GTN650/GTN750 Systems in accordance with Avionik Straubing Master Document List Doc No. ASR-2013-023-MDL-01-01, Revision 01, dated May 28, 2013, or later EASA approved revisions.

2. Aircraft operation in accordance with Avionik Straubing Aircraft Flight Manual Supplement Doc No.

ASR-2013-023-FMS-05.1-00, Revision 00, dated August 04, 2017, or later EASA approved revisions.

3. Maintenance in accordance with Avionik Straubing Instructions For Continued Airworthiness Doc No.

ASR-2013-023-ICA-11.1-00, Revision 00, dated February 07, 2018 or later EASA accepted revisions.

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

2. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission.

Kevin Dickert Acting Manager New York ACO Branch Cessna 525, 525A, 525B August 21, 2017 March 16, 2018 IMPORT A1WI 2

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA04066NY

## Every issue (1)

- March 16, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/df/9e/df9e43f0ca2d77fd553c41b173c9756185fd9afb416d40cb42bf2d5a885beeb2)

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