# STC SA4684SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 pitch stabilization system Model ST-058
- Applied: January 11, 1982
- Status date: May 25, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/fa/46/fa4670ffeba7c155dc3ffc38c1b853487f8ff1aba9e4137fa46618bb3e44a95a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2B268FF04A55E76B85256CC2000E3DF3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4684SW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## 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 arnica Bcpartmcnt of ^transportation federal Htnation administration Supplemental i:gpe Certificate iSKcvrrvv&><'SA4684SW Project A5682SW-DSFKP-190 S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 j!<^J'iy^wdeA*jgtWjtwJn&jM j!>fiec^t4dA<evw?n/rn££&JA&JaMwer^ <slt*a*t£a&c*nA.

3A24 Cessna A185F of S-TEC System 60 Pitch Stabilization System, Model ST-058 according to Bulletin No. 161, dated 1-07-82 and Master Drawing List No. 9285, dated 1-07-82, or later FAA approved revision.

(14 Volt System) FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8996 dated 5-25-82 is required for Cessna Model A185F, S/N 18503684 and On Landplane Only with S-TEC Pitch Stabilization System; OR FAA Approved Supplemental flight Manual P/N 8994 dated 5-25-82 is required for Cessna Model . A185F, S/N 18503683 and Below with S-TEC Pitch Stabilization System.

Compatibility of. this modification with other previously approved modifications must be^deterained by the installer. / / / * //// a?

'&tvri4in<a&<>wda&^*dnM*u>ia0Je&£a0tidA^JwJ&& £XcvrnAm&<foafar-*&A<7 f January 11, 1982 May 25, 1982 Acting Chief, Aircraft CertificationDl. \7Tnt on — Sniit'nmaBt' Hfoi rtn (Title) oi

FAA Fow SI 10-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and ^1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Stale, and ^1P cade) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- May 25, 1982: Issued, Current. [certificate](https://openairdocs.org/files/sha256/fa/46/fa4670ffeba7c155dc3ffc38c1b853487f8ff1aba9e4137fa46618bb3e44a95a)

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