# STC SA01195AT-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: FFC Manufacturing, United States
- Description: Installation of replacement fuel cell assemblies
- Applied: November 8, 1996
- Status date: May 5, 2009
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/8b/a0/8ba05e32b8a843c860a2929c755af90521d2fa60bf3e0742e6b895c59b083047
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/01D57120EA25C7F7862575BA00557ACB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01195AT-D

## ADs that name it (0)

None.

## Approved models (4)

- Viking Air Limited DHC-6-1 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Viking Air Limited DHC-6-100 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Viking Air Limited DHC-6-200 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Viking Air Limited DHC-6-300 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

## 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 replacement fuel cell assemblies in accordance with FFC Manufacturing Drawing D-1050-3, D-1051-3, D1052-3, D1053-3, D1054-3, D1055-3, D1056-3, D1057-3 and 1058-3 dated July 16, 1998 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.

(See continuation 3 of 3)

FFC Manufacturing 4010 Pilot Dr., Suite 103 Memphis, TN 38118 A9EA Make: DeHavilland Model: All DH6 Twin Otter Models Date reissued: May 05, 2009

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

( Title)

Date of application: November 08, 1996

Date of issuance: March 10, 1999

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

Number SA01195AT-D

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

Number SA01195AT-D

Limitation and Conditions – Continued:

FFC Manufacturing part numbers 1051-3, 1052-3, 1053-3, 1054-3, 1055-3, 1056-3, 1057-3 and 1058-3 are replacements for DeHavilland part numbers C6SC1051-3, C6SC1052-3, C6SC1053-3, C6SC1054-3, C6SC1055-3, C6SC1056-3, C6SC1057-3 AND C6SC1058-3 respectively.

## Every issue (1)

- May 5, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8b/a0/8ba05e32b8a843c860a2929c755af90521d2fa60bf3e0742e6b895c59b083047)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.