# STC SA00332DE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Heliarc Welding Service Inc., United States
- Description: Installation of Wastegate Exhaust Inlet elbow.
- Applied: November 13, 1995
- Status date: January 14, 1998
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- Certificate PDF: https://openairdocs.org/files/sha256/11/6a/116ae46e5c35cb3de513e913f18699290c6033059199a5e73de173606eb5ae2b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E8966761D1633D7285256CC1007DC8AC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00332DE

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 340A ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00332DE This certificate issued to: Heliarc Welding Service, Inc.

Part 23 of the Federal Aviation Regulations.

Original Product -Type Certificate Number: ЗА25 Make: Cessna Aircraft Company Model: 340A Description of Type Design Change:

Installation of Wastegate Exhaust Inlet Elbow in accordance with Heliarc Welding Service Drawing List No. 10 and 11, Rev. (-), dated October 10, 1997, or later FAA approved revision.

1. This approval should not be extended to rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft.

2. A copy of this certificate or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: November 13, 1995 Date Reissued:

Date of Issuance: January 14, 1998 Date Amended:

FEDERAL AVIATION By Direction of the Administrator 9 т.

David T. Grossman (Signature) Acting Manager HOMINIST RATION Northwest Mountain Region Denver Aircraft Certification Office (Title)

## Every issue (1)

- January 14, 1998: Issued, Current. [certificate](https://openairdocs.org/files/sha256/11/6a/116ae46e5c35cb3de513e913f18699290c6033059199a5e73de173606eb5ae2b)

---
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.