# STC SA4311SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 60 single axis autopilot Model ST-023
- Applied: December 3, 1980
- Status date: March 24, 1981
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6)
- Certificate PDF: https://openairdocs.org/files/sha256/77/ea/77ea64e0c0eaf6f956cab4cb3207783c65da48cabed4125366f8067361496c58
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B36239D7F241A1AA85256CC2000E3B82.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4311SW

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))

## 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 $tatu of amrrica iSl6O4t/a&vnA/.

Bepartmcnt of transportation—federal atriation administration supplemental 'Cgpe Certificate tsuetfrww' Project A5191SW-DS8M3118W FJF-213 8»TBC Corporation Rt, 3, Bldg. 946 tfoltar* Industrial Conplax Mineral Walla, Ttxaa 76067 4foJyfadeAjgw^^ 3 Civil Air 5A6 Caaana 180J, 180K

- *. • <, Installation of S-TBC Syataai 60 SingU Asia Autopilot Motel 87*023 in accordant* with Bulletin Ho. 126 datad 12/1/80 tad MMtar Drawing Ust Ho. 9223, datad 12/1/80, or latar FAA approvad raviaion. (14 Volt Syata»)

1. FAA Appcovod 8u?pl*MnUl Flight Mrawil F/H 8926 dAtOd 3/24/81 U x*q«iro4 for GMSWI Motel* 180J, 180K 8/N 18053000 and k«lov« Uadplta* Only.

2. Pilot'* Oporating Handbook and FAA Approved Airplaaa Flight Manual Supplawmt F/M 8934 datad 3/24/81 ia r^uirad for Caaana Motel 180K, 8/N 18053001 anil onLandplana Only.

3. Cea^atihilitgr of thia »odlfleation with othar pravioualy approvad »odific«tion«b« tetaminod by tha Inatallar.

Docaabar 3, 1980 March 24. 1981 _/ &£*> 4ltttf*ldc<l •' (Title)

FAA FOIM 8110-2 (10-68) \

## Every issue (1)

- March 24, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/77/ea/77ea64e0c0eaf6f956cab4cb3207783c65da48cabed4125366f8067361496c58)

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