# STC SA4942SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Turbine Conversions Ltd, United States
- Description: Installation of Vortex control wing tip in accordance with Frakes Aviation Drawing No. FA-7042 dated 11/24/82, or later FAA approved revision.
- Applied: November 22, 1982
- Status date: May 20, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- Certificate PDF: https://openairdocs.org/files/sha256/08/43/08438b1fc020765bce06d3a79a3c8e654b7bc3ef70f765644f364f8ba478257d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3E7D02D701C621AE862578BD006D3AE9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4942SW

## ADs that name it (0)

None.

## Approved models (6)

- Allied Ag Cat Productions Inc. G-164 ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164A ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164B ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164C ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164D ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164D (with 73 inch wing gap) ([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.

Installation of Vortex control wing tip in accordance with Frakes Aviation Drawing No. FA-7042 dated 11/24/82, or later FAA approved revision.

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-164, G-164A, G-164B, G-164C, G-164D, and G-146D with 73” gap Date of application : November 22, 1982

Date of issuance : February 23, 1983

Date reissued : May 10, 2011

Date amended : March 10, 1983 Rev. 1

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

( Title)

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

## Every issue (2)

- May 20, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/08/43/08438b1fc020765bce06d3a79a3c8e654b7bc3ef70f765644f364f8ba478257d)
- May 10, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/08/43/08438b1fc020765bce06d3a79a3c8e654b7bc3ef70f765644f364f8ba478257d)

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