# STC SA02871AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Power Flow Systems Inc., United States
- Description: Install Powerflow Systems, Inc., tuned exhaust system to enhance engine performance
- Applied: January 15, 2004
- Status date: May 30, 2025
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/18/76/1876855a2e56b2437fad582cb688300efe78dce8a323196ef41b9406d7a6023f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161269969120250604180337.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02871AT

## ADs that name it (0)

None.

## Approved models (3)

- Mooney International Corporation M20E ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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: SA02871AT Power Flow Systems, Inc. This certificate issued to:

795 Fentress Blvd, Suites A & B Daytona Beach, FL 32114 PT 23 of Federal Aviation Regulations.

Original Product Type Certificate Number: 2A3 Make: Mooney

Model: M20E, F, J Description of Type Design Change:

Install Powerflow Systems, Inc., tuned exhaust system to enhance engine performance, in accordance with the Installation Instructions contained in Report Number PFS-16150-00, Revision IR, dated January 08, 2004 or later FAA approved revision.

This STC install includes no Airplane Flight Manual Supplement (AFMS). Instructions for Continued Airworthiness, contained in Report No. PFS-16150-00, Revision IR, dated January 08, 2004 or later FAA approved revision, must be provided. Compatibility of this design change with previously approved modifications (See Continuation Sheet 3 of 3)

Date of Application: January 15, 2004 Date Reissued:

Date of Issuance: May 27, 2004

Date Amended: May 30, 2025

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA02871AT

(Continuation Sheet) Number: SA02871AT Limitations and Conditions (Continued)

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.

## Every issue (2)

- May 30, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/18/76/1876855a2e56b2437fad582cb688300efe78dce8a323196ef41b9406d7a6023f)
- May 27, 2004: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ba/df/badff6f15500df847a234ca28a83e34ab73c01ddbaf7536c21dbff965b7d0dd0)

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