# STC SA471CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Williams Robert or Barbara, United States
- Description: Installation of dorsal fin.
- Status date: January 28, 1983
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4BF1252A4CD3D4C685256CC2000E3E29.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA471CE

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-23 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- The New Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

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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.