# STC SA194RM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Heliarc Welding Service Inc., United States
- Description: New slip joint exhaust manifold.
- Applied: November 15, 1979
- Status date: December 20, 1979
- 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/d3/50/d35091dcea11be84335499cf60dc88eede8768cf9e6e07d87e7d3bddd698b1bc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/57B0D632F81B36EB85256CC10083D335.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA194RM

## ADs that name it (0)

None.

## Approved models (6)

- Cessna Aircraft Company 401 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 401A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 402 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 402A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 402B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 414 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America 472-em.s Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA194RM This certificate issued to: Heliarc Welding Service, inc.

3965 Newport Street, P.O. Box 38509 AMF Denver, Colorado 80238 Part 3 of the CiVIl Air Regulations.

Original Product - Type bertificate Numben: A7CE Make Cessna Model: 401, 401A,402, 402A, 402B, 414 Description of Type Design Change: New slip joint exhaust manifold, in accordance with Heliarc Welding Service, Inc., Drawings HWS 060001-400 Right Hand and Left Hand.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of the aircraft.

Date of Application: . November 15, 1979 J'ule missued:

Date of Issuance: . December 20, 1979 Sale unended:

FEDERAL AVIATION By Direction of the Administrator GERALD E. GOODBLỞO (ure) PMINISTRATO Chief, Engineering and Manufacturing Branch (Title)

47.

## Every issue (1)

- December 20, 1979: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d3/50/d35091dcea11be84335499cf60dc88eede8768cf9e6e07d87e7d3bddd698b1bc)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.