# STC SA1216SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aero Trim Inc, United States
- Description: Installation of an adjustable trim lab on the left aileron.
- Applied: November 29, 1977
- Status date: November 4, 1981
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/40/c2/40c2723d16977bf5ff8043990888fa09999d5bc40af17e86fcdfccb84da84015
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5B6DF9049551D7E0862576CE00681781.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1216SO

## ADs that name it (0)

None.

## Approved models (9)

- Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28R-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28R-200 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28S-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28S-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- November 4, 1981: Amended, Current. [certificate](https://openairdocs.org/files/sha256/40/c2/40c2723d16977bf5ff8043990888fa09999d5bc40af17e86fcdfccb84da84015)

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