# STC SA3968NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerosport Fuel Cells, LLC, United States
- Description: Installation of fuel cell.
- Applied: October 25, 1987
- Status date: February 17, 2026
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-769](https://openairdocs.org/tcds/A-769)
- Certificate PDF: https://openairdocs.org/files/sha256/d2/8e/d28e14a2046570cbb96d5f2b192d445db053112d79039fb8a5398dc9e053f498
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169574870220260226154205.0001
- DRS record last changed: February 26, 2026
- Page: https://openairdocs.org/stc/SA3968NM

## ADs that name it (0)

None.

## Approved models (1)

- Sky Enterprises Inc. RC-3 ([TCDS A-769](https://openairdocs.org/tcds/A-769))

## 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.

SA3968NM Aerosport Fuel Cells, LLC 7000 Merrill Ave, Box # 6 Chino, CA 91710 Part 3 Civil Air Regulations A-769 Sky Enterprises, Inc.

RC-3 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.

10/25/1987 09/17/2025 02/17/2026 01/03/1989 for Manager, West Certification Branch 2 Installation of fuel cell in accordance with Aero-Tech Services, Inc., Document Control List Number 1001, dated December 22, 1988, or later FAA approved revision.

SA3968NM 02/17/2026 2

## Every issue (2)

- February 17, 2026: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d2/8e/d28e14a2046570cbb96d5f2b192d445db053112d79039fb8a5398dc9e053f498)
- September 17, 2025: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/40/ed/40ed9c8938ed9cd201ab9aefb7a351ffcace32975c0adfb5e7706cb9da9baadc)

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