# STC SA01143AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: FFC Manufacturing, United States
- Description: Installation of left hand side and right hand side main tank fuel cell assemblies. (PA-31-350 S/N 5 THRU 7300923)
- Applied: February 14, 1996
- Status date: May 5, 2009
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO)
- Certificate PDF: https://openairdocs.org/files/sha256/f2/4a/f24ae6b1bddf907327cab997cee5c4b9458861b84e087500f14c0b81d444e944
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5F0A330077B433D862575BA004F5683.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01143AT

## ADs that name it (0)

None.

## Approved models (3)

- Piper Aircraft Inc. PA-31-300 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- Piper Aircraft Inc. PA-31-325 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- Piper Aircraft Inc. PA-31-350 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))

## 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.

This certificate issued to

Part 3 of the Civil Air Regulations.

Description of Type Design Change: Installation of left hand side and right hand side main fuel cell assemblies in accordance with A/C Fuel Cells Worldwide, Inc., “Installation Instructions,” dated August 30, 1994; and A/C Fuel Cells Worldwide, Inc., Drawing P4613, Revision A, dated February 9, 1995, for the left hand side fuel cell; and Drawing P4612, Revision A, dated February 9, 1995 for the right hand side fuel cell; or later FAA approved revision.

(See continuation 3 of 3)

Limitations and Conditions: This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effects upon the airworthiness of the aircraft. 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.

FFC Manufacturing 4010 Pilot Dr., Suite 103 Memphis, TN 38118 A20SO Make: Piper Model: (See continuation 3 of 3) Date reissued: July 31, 2002; May 05, 2009

( Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office

( Title)

Date of application: February 14, 1996

Date of issuance: September 03, 1996

FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES

Number SA01143AT

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

Number SA01143AT

Aircraft Model Eligibility:

Piper PA31-300, -310, -325 –350; S/N 5 thru 7300923

Continuation Description of Type Design Change:

Left Hand Side Main Fuel Cell - P/N P4613-3

Right Hand Side Main Fuel Cell – P/N P4612-3

## Every issue (1)

- May 5, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f2/4a/f24ae6b1bddf907327cab997cee5c4b9458861b84e087500f14c0b81d444e944)

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