# STC SA4420SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation
- Description: Installation of S-TEC system 60 pitch stabilization system, model ST-056 with optional autotrim system
- Status date: July 15, 1981
- Data sheets: 3A15
- Certificate PDF: https://openairdocs.org/files/sha256/f4/3d/f43d6399daaea1fff72b49514dd8b8c832827fae167381addce5b43a1a423c5a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DE379F65AAFFDE0B85256CC2000E3C61.0001
- Page: https://openairdocs.org/stc/SA4420SW

## ADs that name it

None.

## Approved models (1)

- Beechcraft Corporation V35B (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 £»tatts of 2lratrica Bcpartment of transportation—federal 2toiation administration Supplemental t^pe Certificate tyiwmwr' SA4420SW Project A5343SW-DSFKP-213 S-TEC Corporation Rt. 3, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 ,<^^^<z4l^ ,.^^ 3 Civil Air 3A15 Beech V35B and this model when modified \yj STC SA1035WE (Turbocharged Engine) installation of S-TEC System 60 Pitch Stabilization System, Model ST-056 with optional Autotrlm System, according to Bulletin No. 159, dated 5-18-81 and Master Drawing List No. 9252 dated 5-18-81, or later FAA approved revision. (28 Volt System) wn^iavnd'MJn£&jrricu&nA. ••' ... * ~ * ^ Pilot's Operating Handbook and FAA Approved Airplane Flight Manual Supplement for Beech Model V35B and this model when modified by STC SA1035WE (Turbocharged Engine) with or without optional Autotrlm System FAA Approved P/N 8957 dated 7-15-81, is required.

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

& f/. ^ w&Aws/ ~s ate 4ttfi#ttdc<r •' </.*» L/^Tx-^^to May 18, 1981 July 15, 1981 (Sigi^iure) -— P. WatsonChief, Engineering and Manufacturing Branch (Title) ~~

**FAAFOKM 81 10-2(10-68)**

## Every issue (1)

- July 15, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f4/3d/f43d6399daaea1fff72b49514dd8b8c832827fae167381addce5b43a1a423c5a)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.