# STC SA169RM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Heliarc Welding Service Inc.
- Description: Installation of exhaust stacks.
- Status date: February 4, 1985
- Data sheets: A7CE, A7CE, A7CE, A7CE, A7CE
- Certificate PDF: https://openairdocs.org/files/sha256/9a/d3/9ad33cba9ec3150626ca862adc636e06d3d71133811536e7158ea9679dd8b5a0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6014F08E62F5E51786257976005D0827.0001
- Page: https://openairdocs.org/stc/SA169RM

## ADs that name it

None.

## Approved models (5)

- Cessna Aircraft Company 411 (TCDS A7CE)
- Cessna Aircraft Company 411A (TCDS A7CE)
- Cessna Aircraft Company 421 (TCDS A7CE)
- Cessna Aircraft Company 421A (TCDS A7CE)
- Cessna Aircraft Company 421B (TCDS A7CE)

## What the certificate says

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

## Every issue (1)

- February 4, 1985: Amended, Current. [certificate](https://openairdocs.org/files/sha256/9a/d3/9ad33cba9ec3150626ca862adc636e06d3d71133811536e7158ea9679dd8b5a0)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.