# STC SA02105AT

- 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
- Certification basis: Part 23
- Data sheets: [TCDS A13CE](https://openairdocs.org/tcds/A13CE)
- Certificate PDF: https://openairdocs.org/files/sha256/22/35/22359b0cdebd04b63efa313c3be6c2dbc52d1c1d2606ef451bbd3cb11abeb16b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119825337120250523170251.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02105AT

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 177 ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))

## 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: SA02105AT

This certificate issued to: Power Flow Systems, Inc.

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

PT 23 of Federal Aviation Regulations.

Original Product Type Certificate Number: A13CE Make: Cessna

Model: 177 Description of Type Design Change:

Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System per Laminar Flow Systems, Inc., Installation Instructions - Cessna 177, Rev. A, dated: March 30, 2000 anu Laminar Flow Systems, Inc. Kit Number: PFS-13701, as listed in Technical Drawing List, Document PFS-177, Rev. D, dated: March 30, 2000 or later FAA approved revisions.

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: August 25, 2000; February 22, 2001

Date of Issuance: April 19, 2000

Date Amended: May 20, 2025

(for) Christina M. Underwood Title: Manager, East Certification Branch

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA02105AT

## Every issue (1)

- May 20, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/22/35/22359b0cdebd04b63efa313c3be6c2dbc52d1c1d2606ef451bbd3cb11abeb16b)

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