# STC SA2509CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: William T Patterson, United States
- Description: Installation of a Piper PA-22-150 wing ad removal of the rudder aileron interconnect
- Applied: January 10, 1989
- Status date: July 7, 1989
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/ae/69/ae69aa14665af88e0212ab2ab7d6535ea6574d72dc605a645d003ccefaa7e088
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/020345FE5B4DA884862580880076804D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2509CE

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-22-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

## What the certificate says

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

## Every issue (1)

- July 7, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ae/69/ae69aa14665af88e0212ab2ab7d6535ea6574d72dc605a645d003ccefaa7e088)

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