# STC SA7742SW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: L & P Goosefoot Mfg Co, United States
- Description: Installation of aileron counter balance spades to upper left and right ailerons.
- Applied: May 24, 1989
- Status date: March 4, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- Certificate PDF: https://openairdocs.org/files/sha256/26/05/2605866cfc39201e073093b11e633496ecc5492d51b303fb048a93381fc47e19
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3240B75AB7EAFA1585256CC20056A462.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7742SW

## ADs that name it (0)

None.

## Approved models (3)

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

United States or America Bepartment of transportation— federal 2toiation administration Supplemental "Cgpe Certificate SA7742SW 190-1157 c, RAM d&& certificate-, stAAeted^&t- L&P GOOSefOOt Mfg. CO .

Municipal Arpt. P.O.Box 2263 Natchitoches, LA 71457 jW^n&JufivdeAj^wfw.Jhe'fi/tetf^ 8 sd'jAe' ClVll Air isteau£a£vnd/.

1A16 Schweizer (GRUMMAN) G-164B, G-164C and G-164D Installation of aileron counter balance spades to upper left and right ailerons in accordance with L&P Goosefoot Drawing N6680K, Revision B, dated March 15, 1990, and Installation Instructions for the L&P Goosefoot Aileron Counter Balance dated March 15, 1990, or later FAA approved revision.

Compatibility of this modification with previously installed equipment must be determined by installer.

^^w^fn^ • ViMrtun 46 Jra/<-r- td tn& aA,™: May 24, 1989 : March 20, 1990 ^<}..«/,«./«^/.-May 23, 1990, March 4, 1991 R.

Special Certification Office (Title)

FAA Foui 8II0-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Stale, and £IP code) from (Name of grantor) (Print or type).

(Address of grantor) (Number and street) ( ('ill'. Stale, and ^1T code) Extent of Authority (if licensing agreement): __ Date of Transfer:.

Signature of grantor (In ink): __

## Every issue (1)

- March 4, 1991: Amended, Current. [certificate](https://openairdocs.org/files/sha256/26/05/2605866cfc39201e073093b11e633496ecc5492d51b303fb048a93381fc47e19)

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