# STC SA3843SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Apache Modification Aircraft Corporation, United States
- Description: Installation of electrical propeller deicing boots.
- Applied: February 10, 1987
- Status date: October 10, 1997
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/a5/18/a518df25ca5db4c330467cb9ae667e4906be520d090b652a56a77b6c47d6da68
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8A4A621413FC951285256CC2000C5AEF.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3843SW

## ADs that name it (0)

None.

## Approved models (2)

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

## What the certificate says

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

## Every issue (1)

- October 10, 1997: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a5/18/a518df25ca5db4c330467cb9ae667e4906be520d090b652a56a77b6c47d6da68)

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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.