# STC SA00091SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Timberman Allen E, United States
- Description: Replacement fuel filter element, Aircraft Porous Media part number AC-A684F-40Y2 installed with aluminum plug in one end.
- Applied: August 24, 1993
- Status date: May 25, 1994
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/b0/b1/b0b1ad5019909c75deaa9a70f44d54c807cc865a5fc51d4ce63fb00a5c9f79fc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A1374BF71FD98EE85256CC1007DC792.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00091SE

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 421B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00091SE This certificate issued to: Allen E. Timberman Part 23 of the Federal Regulations:

Original Product - Type bertificate Number: ATCE Make: Cessna Model: 421B Description of Type Design Change: Replacement fuel filter element, Aircraft Porous Media part number AC-A684F-40Y2 installed with aluminum plug in one end per information contained in Allen E.

Timberman sketch.

Note: This aircraft has been previously modified to install Lycoming turboprop engines per STC SA4293WE.

Lidalions and banditions: Data pertaining to this modification are considered inadequate for other aircraft. This approval is limited to the installation in Cessna Model 421B, Serial No. 421B0395, only. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraf Seattle (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- May 25, 1994: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b0/b1/b0b1ad5019909c75deaa9a70f44d54c807cc865a5fc51d4ce63fb00a5c9f79fc)

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