# STC ST11164SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Upgrade existing ProLine 21 system
- Applied: May 30, 2013
- Status date: February 21, 2019
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS A16SW](https://openairdocs.org/tcds/A16SW)
- Certificate PDF: https://openairdocs.org/files/sha256/67/c7/67c7eaa69aff34918400e8b6d9d42c9fb3897a22a971af2953b25e9776654827
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/922220F50CAD0E8D86258465006A125C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST11164SC

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 400A ([TCDS A16SW](https://openairdocs.org/tcds/A16SW))

## 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 This certificate issued to:

Part of the Original Product – Type Certificate Number: Make:

Signature

Title

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

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

FAA Form 8110-2 (5/14) Page 3 of

## Every issue (1)

- February 21, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/67/c7/67c7eaa69aff34918400e8b6d9d42c9fb3897a22a971af2953b25e9776654827)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.