# STC SA1898SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Barbara or Bob Williams, United States
- Description: Installation of wing leading edge cuff, flow fences, optional wing tips and dorsal fin.
- Applied: June 12, 1974
- Status date: September 5, 1979
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/ce/f6cedca624c4e36eb61e245121c0d0b95b9330c915b69451c11f9a9e7329ec1b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/14238BC6A29F15D485256CC10083D25A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1898SW

## ADs that name it (0)

None.

## Approved models (7)

- 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))

## 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/f6/ce/f6cedca624c4e36eb61e245121c0d0b95b9330c915b69451c11f9a9e7329ec1b)

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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.