# STC SA02273AK

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Performance Air Motive Inc, United States
- Description: Installation of Performance Air Motive, Inc. (PAMI) PA-18 Muffler
- Applied: November 30, 2005
- Status date: August 24, 2006
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- Certificate PDF: https://openairdocs.org/files/sha256/af/4c/af4c9bd86d6dff1ad7f0e077821739903858c84da5c7302ec3889b7567fcf00b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A3F81734357662F862571D40060F9E2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02273AK

## ADs that name it (0)

None.

## Approved models (18)

- The New Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-125 (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18AS-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18AS-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18AS-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-19 (Army L-18C) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-19S ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

## 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.

P.O. Box 874805 Wasilla, Alaska 99687

Part 3 of the Civil Air Regulations.

Original Product Type Certificate Number : 1A2 Make : Piper Model : PA-18 series and PA-19 series

Installation of Performance Air Motive, Inc. (PAMI) PA-18 Muffler, in accordance with PAMI Muffler Installation Guide and Instructions for Continued Airworthiness, Document No. 2326-ICA, Revision (-), dated March 28, 2006, or later FAA approved revision.

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

2. 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.

3. For Instructions for Continued Airworthiness, refer to PAMI Muffler Installation Guide and Instructions for Continued Airworthiness, Document No. 2326-ICA, Revision (-), dated March 28, 2006, or later FAA approved revision.

4. Installation of PAMI PA-18 Muffler is limited to aircraft that were originally delivered with Lycoming O-320 150 hp engine or have been modified by installation of a Lycoming O-320 150 hp or 160 hp engine or Lycoming O-360 180 hp engine in accordance with FAA approved data. Installer must ensure proper clearances exist between Muffler and all lines, hoses, ducts, baffles, cables and cowl per installation instructions.

Date of application : 30 November 2005

Date of issuance : 23 June 2006 Date reissued :

Date amended : 24 August 2006

( Signature) Gregory J. Holt Manager Anchorage Aircraft Certification Office

(Title)

## Every issue (2)

- August 24, 2006: Amended, Current. [certificate](https://openairdocs.org/files/sha256/af/4c/af4c9bd86d6dff1ad7f0e077821739903858c84da5c7302ec3889b7567fcf00b)
- June 23, 2006: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/55/26/552676b960e48b120833c868af76b1944aabba31d94d7234c2fbb91ba05ee14d)

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