# STC SA1355SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Barbara or Bob Williams, United States
- Description: Installation of wing leading edge cuff to increase leading edge radius.
- Applied: July 12, 1971
- Status date: September 5, 1979
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9CE](https://openairdocs.org/tcds/A9CE)
- Certificate PDF: https://openairdocs.org/files/sha256/f0/90/f09015d4db99b1e1e459638a22ca52c41cb76ed5c48e90e032097c9a32c0b4d6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FBA2F7DB9181A21585256CC100820F72.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1355SW

## ADs that name it (0)

None.

## Approved models (4)

- Textron Aviation Inc. 188 ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- Textron Aviation Inc. 188A ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- Textron Aviation Inc. A188 ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- Textron Aviation Inc. A188A ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))

## What the certificate says

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

## Every issue (1)

- September 5, 1979: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f0/90/f09015d4db99b1e1e459638a22ca52c41cb76ed5c48e90e032097c9a32c0b4d6)

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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.