# STC SA3649WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aerosport Fuel Cells, LLC, United States
- Description: Installation of replacement flexible fuel cell in the wings of the 210 Cessna aircraft.
- Applied: April 4, 1978
- Status date: February 17, 2026
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/89/21/8921e657f6968db806ecdd953cbd72009dbba731a06eacf412a51f38ed8baece
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194567863320260227181352.0001
- DRS record last changed: February 27, 2026
- Page: https://openairdocs.org/stc/SA3649WE

## ADs that name it (0)

None.

## Approved models (6)

- Textron Aviation Inc. 210A ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210B ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210C ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210D ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210E ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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.

SA3649WE Aerosport Fuel Cells, LLC 7000 Merrill Ave, Box # 6 Chino, CA 91710 Part 3 Civil Air Regulations 3A21 Textron Aviation Inc.

210A, 210B, 210C, 210D, 210E, 210F 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.

04/04/1978 04/17/1981 09/17/2025 02/17/2026 05/16/1978 for Manager, West Certification Branch 2 The installation of a replacement flexible fuel cell in the wings of the 210 Cessna aircraft in accordance with FAA sealed Aero-Tech Services Document Control List Number 20002, dated April 2, 1978, Revision NC, or later FAA approved revision.

SA3649WE 02/17/2026 2

## Every issue (2)

- February 17, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/89/21/8921e657f6968db806ecdd953cbd72009dbba731a06eacf412a51f38ed8baece)
- September 17, 2025: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/18/6b/186b83af265ff2275da1d7eb1f510f26d3d83b3c6ec43a748e0b2bba1d12f729)

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