# STC SA4103WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerosport Fuel Cells, LLC, United States
- Description: Installation of a replacement flexible fuel cell in the wing of the Beech 33, 35, 36. aircraft
- Applied: March 14, 1979
- Status date: February 17, 2026
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/03/79/037959c7d5d4cab4152b0e5834eee492b019f80c3ebbcc6a5782358808f4f6f6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186998274420260226154409.0001
- DRS record last changed: February 26, 2026
- Page: https://openairdocs.org/stc/SA4103WE

## ADs that name it (0)

None.

## Approved models (11)

- Textron Aviation Inc. 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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.

SA4103WE Aerosport Fuel Cells, LLC 7000 Merrill Ave, Box # 6 Chino, CA 91710 Part 3 Civil Air Regulations 3A15 Textron Aviation Inc.

33, 35, and 36 (See page 3 for model and Serial Number Effectivity 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 effect upon the airworthiness of that 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.

03/14/1979 04/17/1981 09/17/2025 02/17/2026 01/05/1981 for Manager, West Certification Branch 3 Installation of a replacement flexible fuel cell in the wing of the Beech 33, 35, and 36 aircraft in accordance with FAA sealed Air-Tech Services Document Control List Number 35, dated February 22, 1979, Revision A, or later FAA approved revision.

SA4103WE 02/17/2026 3

SA4103WE 02/17/2026 Effectivity:

Aircraft eligible for the Aero-Tech Services, Incorporated. Replacement Flexible Fuel Cells

Tank Model Textron Aviation Model Textron Aviation Serial Number 35-4000-1 (LH) 35-B33 CD-388 through CD-813 35-4000-2 (RH) 35-C33 CD-814 through CD-1118 (Except CD-980 & 982 35-C33A CE-29 through CE-179 E-33 CD-1119 through CD-1234 E-33A CE-180 through CE-289 N-35 D-6562 through N-6481 P-35 D-6842 through D-7309 (Except D-7140) S-35 D-7310 through D-7976 V-35 D-7977 through D-8598 V-35A D-8599 through D-9068 36 E-1 through 184

--------------------------End-------------------------- 3 3 Add Page

## Every issue (2)

- February 17, 2026: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/03/79/037959c7d5d4cab4152b0e5834eee492b019f80c3ebbcc6a5782358808f4f6f6)
- September 17, 2025: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b0/bc/b0bc5d706ba4e933a35c922332fd42bd0edff2d3eed512d92e5952a20242c680)

---
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.