# STC SA00780NY

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Acorn Welding Ltd., Canada
- Description: The installation, removal, and maintenance of Acorn Welding s Heat Exchanger/Muffler (P/N: C1851D, C1851D-1, or C1851D-3)
- Applied: December 4, 1997
- Status date: May 3, 2013
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/45/b9/45b94744be960b5f205e753095be57cc9ebdb7ffcbb70c10c6356ced28859f4d
- Approved model list and other attachments: [AML SA00780NY.pdf](https://openairdocs.org/files/sha256/a4/50/a450b15701225b1c21d2e8c256d4ed9b422c1e8b4eda3dba93a97d056ea89ae1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0FAFE81E551B679986257BEC0064A627.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00780NY

## ADs that name it (0)

None.

## Approved models (15)

- Cessna Aircraft Company 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182R ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182S ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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.

10916 119th Street Edmonton, Alberta Canada T5H 3P4

Part * of the * Regulations.

1. The installation, removal, and maintenance of Acorn Welding’s Heat Exchanger/Muffler (P/N: C1851D, C1851D-1, or C1851D-3) are done in accordance with Ultimate Aerostructures Instructions for Continued Airworthiness (UA032-ICA, Revision IR, dated January 10, 2013, or later Transport Canada approved revision.

1. Mandatory inspections are to be in accordance with Section 2, TCCA approved Ultimate Aerostructures Instructions for Continued Airworthiness (UA032-ICA, Revision IR, dated January 10, 2013, or later Transport Canada approved revision.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

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

Date of application: December 4, 1997

Date of issuance: January 16, 1998

Make: * See Approved Model List (AML) No. SA00780NY for list of approved aircraft models, applicable airworthiness regulations, and required documents. Model:

Dat e amended : May 3, 2013

B y direction of the A dministrator

(Signature) Gaetano Sciortino Manager New York Aircraft Certification Office

(Title)

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SA00780NY Date of Amended: May 3, 2013

Certification Basis:

The certification basis for this modification is as defined in the Type Certificate Data Sheet (T CDS) plus the following:

CAR 3 Amendment 3-12 FAR 23.1529 Amendment 23-26

…..END…..

### AML SA00780NY.pdf

**FAA APPROVED MODEL LIST (AML) NO. SA00780NY**

Original Issue Date: January 16, 1998

**ACORN WELDING, INC.**

**APPROVED MODEL LIST (AML)**

**INSTALLATION OF EXHAUST HEAT EXCHANGER/MUFFLER**

**ITEM MAKE MODEL ORIGINAL TYPE**

**CERTIFICATE AML**

**AMENDMENT DATE**

1. CESSNA C-180G C-180H C-180J C-180K with O470 engine.

C-180R C-180U S/N 51414 - 52617 5A6 N/A

2. CESSNA C-182G C-182H C-182J C-182K C-182L C-182M C-182N C-182P C-182Q C-182R with O470 engine.

C-182R C-182S C-182U S/N 55059 and on.

3A13 N/A

FAA Approved _______________________________________________________ Gaetano Sciortino Manager, New York Aircraft Certification Office

## Every issue (1)

- May 3, 2013: Amended, Current. [certificate](https://openairdocs.org/files/sha256/45/b9/45b94744be960b5f205e753095be57cc9ebdb7ffcbb70c10c6356ced28859f4d), [AML SA00780NY.pdf](https://openairdocs.org/files/sha256/a4/50/a450b15701225b1c21d2e8c256d4ed9b422c1e8b4eda3dba93a97d056ea89ae1)

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