# STC SA4827NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerospace Welding Minneapolis Inc., United States
- Description: Installation of exhaust system
- Applied: January 8, 1990
- Status date: November 17, 2023
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A17WE](https://openairdocs.org/tcds/A17WE)
- Certificate PDF: https://openairdocs.org/files/sha256/0c/ed/0ced1d601a32ddc7b2b2928fde7261d43877d76ffdbf0c67010019ccd683cd64
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114758861820240214151103.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4827NM

## ADs that name it (0)

None.

## Approved models (1)

- Aerostar Aircraft Corporation PA-60-600 (Aerostar 600) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

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Original Product 7\SH&HUWLILFDWH1XPEHU Make:

SA4827NM Aerospace Welding Minneapolis, Inc.

3344 Highway 149 Eagan, MN 55121 Part 23 Federal Aviation Regulations A17WE Piper Aerostar PA-60-600 Installation of exhaust system in accordance with Knisley Welding, Inc. Drawing No.

K320005, Rev. C, dated January 8, 1990, or later FAA Approved revision.

Approval of this change in type design applies to the above aircraft model(s) only. This approval should not be extended to aircraft 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 advese effect upon the airworthiness of that aircraft.

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.

January 8, 1990 November 17, 2023 January 11, 1990 for Manager, West Certification Branch 2

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Too (Name and address of transferee):

Date oI transfer:

SA4827NM 2

## Every issue (1)

- November 17, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0c/ed/0ced1d601a32ddc7b2b2928fde7261d43877d76ffdbf0c67010019ccd683cd64)

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