# STC SA5012NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerospace Welding Minneapolis Inc., United States
- Description: Installation of a modified exhaust system.
- Applied: September 10, 1989
- Status date: November 17, 2023
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A16CE](https://openairdocs.org/tcds/A16CE), [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/33/8d33210dc24d288bc88b78ae6d24a2369eaa1f7a524aa962a6e35f3795669897
- Approved model list and other attachments: [SA5012NM_AML.pdf](https://openairdocs.org/files/sha256/3a/db/3adb50989dea833a9bb62fe6eea5b82f09664d1eb7e888b53195aaccfc6ec265)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135076480320240214162210.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5012NM

## ADs that name it (0)

None.

## Approved models (10)

- Cessna Aircraft Company T207 ([TCDS A16CE](https://openairdocs.org/tcds/A16CE))
- Cessna Aircraft Company T207A ([TCDS A16CE](https://openairdocs.org/tcds/A16CE))
- Cessna Aircraft Company T210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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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BB__.

Original Product 7\SH&HUWLILFDWH1XPEHU Make:

SA5012NM Aerospace Welding Minneapolis, Inc.

3344 Highway 149 Eagan, MN 55121 * * * * *See attached FAA Approved Model List (AML) No. SA5012NM for list of approved airplane models and applicable airworthiness regulations.

Installation of exhaust system in accordance with Knisley Welding, Inc. Modified Modified Master Drawing List (MMDL) as listed on Approved Model List No. SA5012NM dated Janaury 6, 1994, or later FAA Approved revision. Supplemental Type Certificate No. SE5009NM is required as part of this installation.

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. A copy of this Certificate and FAA Approved Model List No. SA5012NM dated January 6, 1994, or later FAA Approved revision, must be maintained as part of the permanent records for the modified 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.

September 10, 1989 November 17, 2023 October 12, 1990 January 15, 1991; January 12, 1994 for Manager, West Certification Branch 2

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Too (Name and address of transferee):

Date oI transfer:

SA5012NM 2

### SA5012NM_AML.pdf

**FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SA5012NM FOR**

INSTALLATION OF MODIFIED EXHAUST SYSTEM ISSUE DATE: January 6, 1994

Page 1 of 1

**ITEM AIRCRAFT /**

**ROTORCRAFT MAKE**

**AIRCRAFT /**

**ROTORCRAFT MODEL**

**ORIGINAL TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**FAA APPROVED**

**AIRCRAFT /**

**ROTORCRAFT**

**FLIGHT MANUAL**

**SUPPLEMENT**

**FAA APPROVED**

**MASTER DRAWING LIST**

AML REV DATE Number Revision* Drawin g Revision*

1. Cessna T210F, G, H, J,

K, L, M, N 3A21 **CAR 3 MMDL #1 B 7/16/1990

2. Cessna T207/T207 A A16CE ***FAR 23 MMDL #1 G 5/19/1993 * Or later FAA Approved Revision ** See Type Certificate Data Sheet No. 3A21 for complete Certification Basis.

*** See Type Certificate Data Sheet No. A16CE for complete Certification Basis.

FAA Approved:

for Manager, West Certification Branch AMENDED:

REISSUED: November 17, 2023

## Every issue (2)

- November 17, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8d/33/8d33210dc24d288bc88b78ae6d24a2369eaa1f7a524aa962a6e35f3795669897), [SA5012NM_AML.pdf](https://openairdocs.org/files/sha256/3a/db/3adb50989dea833a9bb62fe6eea5b82f09664d1eb7e888b53195aaccfc6ec265)
- January 12, 1994: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/14/8f/148f296be4c13f6b84dc9140081054172036ff8da5ab98bfa21c54bcf5c4de06)

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