# STC SA00329SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aeronautical Testing Service Inc., United States
- Description: Installation of vortex generators on wings and vertical stabilizer.
- Applied: March 18, 1996
- Status date: April 19, 1996
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/87/9c/879cd5d48bc17daf4dfe9a9eebf13d51cfe42fd7fa3bcd3259378238a5ab3cdb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AC92152BCB2A8BA285256CC1007DC8A7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00329SE

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 421 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 421A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## What the certificate says

The certificate has no text we could read; open the PDF to read it.

## Every issue (1)

- April 19, 1996: Issued, Current. [certificate](https://openairdocs.org/files/sha256/87/9c/879cd5d48bc17daf4dfe9a9eebf13d51cfe42fd7fa3bcd3259378238a5ab3cdb)

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