# STC SA529WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RPM Commander LLC, United States
- Description: Installation of turbosupercharged Lycoming IO-540 series engines.
- Applied: June 13, 1963
- Status date: April 16, 2008
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/53/21/5321f52fa87d8e04fee1bc47e5c846b2ad49e4175eb185c6e1303e86216eb113
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/59A1ADFD8EA8B3ED8625743A00521ED4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA529WE

## ADs that name it (3)

- [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002. Named in the applicability
- [AD 81-19-04](https://openairdocs.org/ad/81-19-04): Hose Assembly · Rajay Hose Assemblies, 500A, 500B and 87 more. Effective Sep 17, 1981. Cited in the text
- [AD 65-02-03](https://openairdocs.org/ad/65-02-03): Turbochargers · Rajay Turbochargers with STC SA529WE or 6 others. Named in the applicability

## Approved models (3)

- Twin Commander Aircraft Corporation 500-B ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-S ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-U ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

## What the certificate says

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

## Every issue (3)

- April 16, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/53/21/5321f52fa87d8e04fee1bc47e5c846b2ad49e4175eb185c6e1303e86216eb113)
- January 17, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/81/b6/81b6680e8f473a3585de633f81e20e275c76732b6541d2b628a0f4f109517481)
- August 15, 1968: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/53/21/5321f52fa87d8e04fee1bc47e5c846b2ad49e4175eb185c6e1303e86216eb113)

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