# STC SA02385AK

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Power Flow Systems Inc., United States
- Description: Installation of replacement engine exhaust system assembly (P/N P55C180ESA)
- Applied: August 17, 2006
- Status date: May 20, 2025
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6)
- Certificate PDF: https://openairdocs.org/files/sha256/19/cf/19cf7793b2a5fb208e60fefefd7ffbced15f41004ce67011f552c3305270eadb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191008044020250523172251.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02385AK

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))

## 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: SA02385AK

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: 5A6 Make: Cessna

Model: 180 Description of Type Design Change:

Installation of replacement engine exhaust system assembly (P/N P55C180ESA) in accordance with Leading Edge Exhaust Systems, LLC Drawing List No. LEESC180ESA-DL-1, Revision IR.4, dated June 26, 2012, or later FAA approved revision.

1) Approval of this design change is limited to Cessna model 180 aircraft serial numbers 604, 614, and 30000 through 32661.

2) The installer must determine whether this design change is compatible with previously (See continuation Sheet 3)

Date of Application: August 17, 2006 Date Reissued: March 19, 2020; April 24, 2020

September 12, 2011

June 29, 2012; February 19, 2015; 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: SA02385AK

(Continuation Sheet) Number: SA02385AK Limitations and Conditions (cont.):

approved modifications. Compatibility has been shown for airplanes equipped with FAA Approved Installations of Continental O-470K, L, R, or S model engines.

3) If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of such permission.

4) The existing product’s maintenance manual and associated service documents have been assessed and determined to be sufficient as Instructions for Continued Airworthiness when the product has been altered by this installation.

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## Every issue (4)

- May 20, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/19/cf/19cf7793b2a5fb208e60fefefd7ffbced15f41004ce67011f552c3305270eadb)
- February 19, 2015: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/97/7e/977e5a682d6c7e00b8632357065b0928de0cb12d865a538f8951a570754c00ea)
- June 29, 2012: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/c8/6d/c86da694948564ade6f3a83030bf9bc230aca51e0239bad5f120a42a0c0455e8)
- September 12, 2011: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/0f/c6/0fc6d5cb2ba845f8166103ee31e7aa1ca76a6a6ca2e8141c677c50df400ce9b2)

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