# STC SA4198SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 60 two axis automatic flight guidance system Model ST-010 with optional uatotrim system
- Applied: September 5, 1980
- Status date: December 17, 1981
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/2c/93/2c93c4d109aba8182f54fb646c7d3f2fad79557a511070efcea6880ecbd2d706
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C14F15420E05D4BB86257DF80073113D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4198SW

## ADs that name it (0)

None.

## Approved models (6)

- Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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 of America Bepartment of transportation—Jfetoal atoiation administration Supplemental 'Cgpe Certificate tSMtmMW' SA4198SW S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 ^^l^^^^^a^^Y^^y^^ ^^^«^9^«9><<e^^ 2 stfa&es Civil Air XT7J , €424&t&£&7l&/.

~ — - 3A15 Beech H35, J35, K35, M35, N35, P35 Installation of S-TEC System 60 Two xis Automatic Flight Guidance System Model ST-010 with Optional Autotrim System according to Bulletin No. 110, Revision 1, dated 12-07-81 and Master Drawing List No. 9214, Revision A, dated 12-07-81 with Optional Flight Director Steering Horizon, or later FAA approved revision. (14 Volt System) See Continuation Sheet 2 of this STC.

jt^^ S$drnvrU&fca£>v-^J&e' .• September 5, 1980 a^^^u^: December 17, 1981 Revision 1 September 12 1980 ' Don P. Watson/ Manager, Aircraft Certification DivisionSouthwest Region (Title)

**FAA FOKM 81 10-2 (10-68)**

United States of America Bepartment of ¥ransportation— federal 2toiation administration upplemtntal ICgpt Certificate(Continuation 3hcct) SA4198SW Revision 1 Limitations and Conditions :

1. Pilot's Operating Handbook and FAA Approved Flight Manual Supplement, P/N 8911, dated 9/12/80, is required for Beech Models H35, J35, K35, M35, N35, P35 with S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-010; OR Pilot's Operating Handbook and FAA Approved Airplane Flight Manual Supplement, P/N 8911-1, dated 12/17/81, is required for Beech Models H35, J35, K35, M35, N35, P35 with S-TEC System Two Axis Automatic Flight Guidance System with Optional Autotrim System (using Roll Servo P/N 0105-R9).

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

FAA FORM aiio-2-1 (10-69) PAGE 2 OF 2 PAGES

## Every issue (1)

- December 17, 1981: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2c/93/2c93c4d109aba8182f54fb646c7d3f2fad79557a511070efcea6880ecbd2d706)

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