# STC SA02168AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Power Flow Systems Inc., United States
- Description: Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.
- Applied: May 20, 1999
- Status date: May 20, 2025
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/df/66/df66e8c80ee0f16b78b0ff66f8595d3f0b7d42a140147e76888c6937211265ea
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135940331020250523170902.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02168AT

## ADs that name it (0)

None.

## Approved models (5)

- The New Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA02168AT

This certificate issued to: Power Flow Systems, Inc.

795 Fentress Blvd, Ste A & B Daytona Beach, FL 32114

PT 3 of Civil Air Regulations .

Original Product Type Certificate Number: 2A13 Make: Piper

Model: PA-28 -140, -150, -160, -180, -181 Description of Type Design Change:

Modification of engine exhaust system for improved engine performance by installation of a Power Flow System Extractor Exhaust System per Power Flow Systems, Inc. (Formerly Laminar Flow Systems, Inc.):

For PA-28-140, -150 and 160 models: Per Piper PA-28-140 Installation Instructions Report No.

PFS-0008-00, Rev. IR, dated: April 12, 2000; and Instructions for Continued Airworthiness, Report No, PFS-0006-00, Rev. IR, dated: April 10, 2000 or later FAA approved revision. (See continuation Sheet 3)

Airplane Flight Manual Supplement is not required for this STC. Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

Date of Application: May 20, 1999 Date Reissued:

Date of Issuance: August 8, 2000

September 16, 2002; February 28, 2012; May 20, 2025

(for) Christina M. Underwood Manager East Certification Branch

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA02168AT

(Continuation Sheet) Number: SA02168AT Description of Type Design Change (cont.):

For Piper Models, PA-28-180/181: Per Power Flow Systems, Inc. Installation Instructions, Report No. PFS-14150-00, Rev. IR dated 8/26/2002 or later FAA approved revision. For all models, except-181, equipped with single tailpipe stock exhaust system: Per Power Flow Systems, inc. Installation instructions and Instructions for Continued Airworthiness, Document PFS-142500-00, Rev. A, dated January 28, 2003 or later FAA approved revision.

END

## Every issue (2)

- May 20, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/df/66/df66e8c80ee0f16b78b0ff66f8595d3f0b7d42a140147e76888c6937211265ea)
- February 28, 2003: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/90/79/90794c89bd25a39a43d9e12782984ed9cbc72c84f4590c1bbf8e9e595f119e2f)

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