# STC SA4941SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Turbine Conversions Ltd, United States
- Description: Install two additional 17 gallon fuel tanks in each upper wing in accordance with Frakes Aviation Drawing Number 7045.
- Applied: January 6, 1983
- Status date: May 10, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- Certificate PDF: https://openairdocs.org/files/sha256/28/88/28883f78c1123932e698326e88afadc34ed547f7407fd380a9902c96b08f0fa2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/72A68691C9EFA663862578BD006CF46F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4941SW

## ADs that name it (0)

None.

## Approved models (2)

- Ag Cat Corporation G-164B ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Ag Cat Corporation G-164C ([TCDS 1A16](https://openairdocs.org/tcds/1A16))

## 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.

Part 8 of the Civil Air Regulations.

Install two additional 17 gallon fuel tanks in each upper wing in accordance with Frakes Aviation Drawing Number 7045.

This approval is limited to the installation made in Schweizer (Grumman) Model G-164B, Serial No. 655B and Model G-164C, Serial No. 22C, only.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Turbine Conversions, Ltd.

18155 120th Avenue Nunica, MI 49448 1A16 Make : Schweizer (Grumman) Model : G-164B, G-164C Date of application : January 06, 1983

Date of issuance : February 23, 1983

Date reissued : May 10, 2011

( Signature) M. Monica Merritt, Manager Airplane Certification Office, Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- May 10, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/28/88/28883f78c1123932e698326e88afadc34ed547f7407fd380a9902c96b08f0fa2)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.