# STC SA102RM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Heliarc Welding Service Inc., United States
- Description: Installation of exhaust turbo connector, P/N 042177-5.
- Applied: April 12, 1977
- Status date: May 19, 1977
- 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/ec/87ecfdbab7cf9d965e68d87daa22e90c632821139f8642a15da1d859a67b351c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0873F05CD4C4861F85256CC10080DC8D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA102RM

## ADs that name it (0)

None.

## Approved models (5)

- Cessna Aircraft Company 411 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 411A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 421 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 421A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 421B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## What the certificate says

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

## Every issue (1)

- May 19, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/87/ec/87ecfdbab7cf9d965e68d87daa22e90c632821139f8642a15da1d859a67b351c)

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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.