# STC SA4155SW

- 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-017 with optional autotrim system and with optional flight director steering horizon
- Applied: June 18, 1980
- Status date: February 3, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/3e/c33ea794fe81d2b7880f4dfdbb3415d7f57046f7367de23f248ba07a63427038
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FED08E264FF38DBF86257DF8006DC16C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4155SW

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation V35B ([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 Ijansportation— federal atoiation administration Supplemental ¥gpe Certificate SA4155SW S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 mstfosfy/WjceeAj^w^wJfoft&cw^n^f^^ ^•y^!cji*<s«£'^'&?^^z^^^ 3 jfa&& Civil Air 3A15 Beech V35B and V35B modified by STC SA1035WE (Turbocharged Engine) Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-017 with Optional Autotrim System and with Optional Flight Director Steering Horizon according to Bulletin No. 117, Revision 6, dated 9-25-81 and Master Drawing List No. 9211, Revision F, dated 9-25-81, or later FAA Approved revision. (28 Volt System) See Continuation Sheet, page 2, of this STC.

stev<?r^^ £$<d>ntm4&&a£rr-J<djihe> June 18, 1980 SL^^^u^: 10/30/80; 2/27/81; 6/14/81;

2/3/82 Revision 4 July 18, 1980 i^^c^a^cfi^fi'^^^n^s^c^fn^fitti^fvt^e^' (Signature}- _„ _. Watsonctine Chief, Aircraft CertificationDivision ;..,; (Title)

United £tatu of America Bepartmtnt of Transportation— federal Station administration ^upplemental l^gpe Certificate(Continuation £heet) SA4155SW Revision 4 Limitations and Conditions:

1. The following Pilot's Operating Handbooks and FAA Approved Airplane Flight Manual Supplements are required:

a. P/N 8908, dated July 18, 1980, is required with S-TEC System 60, Two Axis Automatic Flight Control System, Model ST-017.

b. P/N 8908-1, dated October 30, 1980, is required with or without airplanes modified per STC SA1035WE with S-TEC System 60, Two Axis Automatic Flight Control System, ST-017.

c. P/N 8908-2, dated February 27, 1981, is required with or without airplanes modified per STC SA1035WE with S-TEC System 60, Two Axis Automatic Flight Control System, ST-017, with or without Optional Autotrim System.

d. P/N 8908-3, dated February 3, 1982, is required with or without airplanes modified per STC SA1035WE with S-TEC System 60, Two Axis Automatic Flight Control System, ST-017, with or without Optional Autotrim System and using Roll Servo P/N 0106-R9.

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

**FAA FORM 8110-2-1 (1O-69) PAGE2 OF 2 PAGES**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and <7/> code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) ( City, State, and %1P code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- February 3, 1982: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/3e/c33ea794fe81d2b7880f4dfdbb3415d7f57046f7367de23f248ba07a63427038)

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