# STC SA7801SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC manual electric trim system Model ST-471
- Applied: July 12, 1991
- Status date: July 16, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO)
- Certificate PDF: https://openairdocs.org/files/sha256/cd/23/cd230f40de009b279ab085d7f636b04414878f0297f3c47f73f689312b8e9017
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/327AD03D2346DD2085256CC20056A4AC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7801SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Commander Aircraft Company 112 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Company 112B ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Company 114 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Company 114A ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))

## 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.

jStUO rf 2bBK8 Bfpartrarnt of Transportation — Jfttoal atriation administration Supplemental 'Cgpe Certificate SA7801SW-D S-TEC Corporation Rt. 4, Bldg. 946 Welters Industrial Complex Mineral Wells, Texas 76067 .^^^ 23 yf^si«' Federal Aviation A12SO Gulf stream American (Rockwell Commander) 112, 112B, 114, and 114A Installation of S-TEC Manual Electric Trim System, Model ST-471, according to Bulletin No. 571, dated 7-11-91 and Master Drawing List No. 92546, dated 7-11-91 and/or later FAA Approved revisions of the above data (14 Volt System).

1. Only eligible on Model 112, S/N 126 & Above.

2. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 89932, dated 7-16-91 is required for Gulf stream American (Rockwell Commander) Models 112, S/N 126 & Above;

112B, 114, and 114A and/or later FAA Approved revisions of the above supplement.

3. Compatibility of this modification with other previously approved modifications must be determined by the installer.

£ 7-12-91 7-16-91 William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title) Any alteration of t hit certificate u punishable by a fine of not exceeding SI ,000, or imprisonment not exceeding 3 yean, or both.

Thit cerlifeale may te transfmtd in atnrdana uiilH FAR 21.17.

»AA ta

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and <7P code) from (Name of grantor) (Print or type) (Address of grantor) (Number anti street) ( Cilr. Slate, and ^IT code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- July 16, 1991: Issued, Current. [certificate](https://openairdocs.org/files/sha256/cd/23/cd230f40de009b279ab085d7f636b04414878f0297f3c47f73f689312b8e9017)

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