# STC SA02918AT-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: FFC Manufacturing, United States
- Description: Installation of fuel cell modifications
- Applied: August 24, 2004
- Status date: April 29, 2009
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS A23SO](https://openairdocs.org/tcds/A23SO), [TCDS A8EA](https://openairdocs.org/tcds/A8EA)
- Certificate PDF: https://openairdocs.org/files/sha256/0c/79/0c79c5e6cdf27fbc9dac77bb6c80df18f067fa90007d7fb02a9da86db41c2933
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/13774B94DB269647862575B6004DE0A0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02918AT-D

## ADs that name it (0)

None.

## Approved models (10)

- Piper Aircraft Inc. PA-31 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- 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))
- Piper Aircraft Inc. PA-31P ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- Piper Aircraft Inc. PA-31P-350 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- Piper Aircraft Inc. PA-31T ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- Piper Aircraft Inc. PA-31T1 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- Piper Aircraft Inc. PA-31T2 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- Piper Aircraft Inc. PA-42 ([TCDS A23SO](https://openairdocs.org/tcds/A23SO))

## 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 fuel cell modifications consistent with Master Document List Engineering Report 05-2810-003, Rev I/R dated April 8, 2005 or later FAA approved revision.

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 A8EA, A20S0, A23S0 Make: Piper Aircraft Corporation Model: (See continuation 3 of 3) Date reissued: April 29, 2009

Date amended

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

( Title)

Date of application: August 24, 2004

Date of issuance: April 11, 2005

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

Number SA02918AT-D

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

Number SA02918AT-D

Model – Continued:

Type Certificate Number Model number

A8EA PA-31-300, PA31-350, PA-31-325(C/R), PA-31P, PA-31- 350 (T1020), PA-31T –T1, -T2

A8EA/A20SO PA-31, PA-31-300, PA31-350, PA-31-325(C/R)

A23SO PA-42

Certification Basis

**A8EA CAR 3/ FAR 23 A20SO CAR 3/ FAR 23 A23SO FAR 23**

## Every issue (1)

- April 29, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0c/79/0c79c5e6cdf27fbc9dac77bb6c80df18f067fa90007d7fb02a9da86db41c2933)

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