# STC SA2798NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Heliarc Welding Service Inc., United States
- Description: Installation of modified exhaust heat muffler.
- Applied: September 14, 1987
- Status date: October 28, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/fe/9d/fe9d3ce0d2e980cc52b4f9b033ce1ff75c9ad3c6d8be1c2433049b1dddaad1c6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49D9F863FE784C3D85256CC20008C949.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2798NM

## ADs that name it (0)

None.

## Approved models (18)

- Hawker Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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: SA2798NM This certificate issued to: Heliarc Welding Services, Inc.

3965 Newport Street P.O. Box 38509 Denver, Colorado 802.38 Part 3 of the Civil Air Requlations.

Original Product - Type Bertificate Kumber: 3A15 Make: Beech Model: C33A, E33A/C,F 33A/C, G33, 35H/J/K/M/N/P/S/V, Description of Type Design Change: V35/A/B, 36/A installation of modified exhaust heat muffler in accordance with Heliarc Weldin‹ Service, Inc., Drawing List No. 7, dated September 14, 1987 or later FAA approved revision.

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

By Direction of the Administrator David T. Grossman, Signature) Supervisor TO MINISTRATION Denver Aircraft Certification Field Office Northwest Mountain Region, Aurora, Colorado (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- October 28, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/fe/9d/fe9d3ce0d2e980cc52b4f9b033ce1ff75c9ad3c6d8be1c2433049b1dddaad1c6)

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