# STC SA4419SW

- 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-040 with optional autotrim system
- Applied: May 6, 1981
- Status date: July 15, 1981
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/a4/13/a413df10f4df4c2b0c6c3b2aad7c99f3a28daa02815fbb5ba8bdcb805820c504
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/122533620B5DEC5E85256CC2000E3C5C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4419SW

## ADs that name it (0)

None.

## Approved models (6)

- Cessna Aircraft Company 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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.

ttnittd $tatt> of America Bepartment of transportation—federal atriation administration Supplemental t^pe Certificate SA4419SW t-St&gu&ia&e-nA/.

Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 ,^,^^^ 3 Civil Air 3A21 Cessna 210L, T210L, 210M, T210M, 210N, T210N : Installation of S-TEC System 60 Pitch Stabilization System, Model ST-040 with optional Autotrim System according to Bulletin No. 143, dated 5/4/81 and Master Drawing List No. 9248, dated 5/4/81, or later FAA approved revision. (28 Volt ystem)

1. Supplemental Tlight Manual for Cessna Models 210L, T210L, 210M, T210M with S-TEC System 60 Pitch Stabilization System. Model ST-040 (28 Volt System) FAA ApprovedP7N 8949 dated 7/15/81 is required.

2. Pilot's OperatirCessna Models 21Model ST-040 (2i Handbook and FAA Approved Airplane Flight Manual Supplement for$.,T210N with SrTEC System 60 Pitch-Stabilization System,/ilt System) FAA Apprbved P/N 8950 dated 7/I5/8I is^7required.

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

'<CLattt-Mt/i4Cri' 4>&.trl€>.*<aA4A. ^<sr'<aJiSw<t'UtivAfL4i//'fe<rrLiM'->n' vrf^Jjfef/^tvn/wAij/p* da/e'A&'j/l/wmst&e'^A /ad/iAAedd'Us 4h&, 9tc/?fn'riiA Jra/t-r- d dAe f 1981 July 15, 1981 *>/ £ne •^' .e ^ (Signature ) 5on P. Watson Chief, Engineering and Manufacturing Branch (Title)

FAA Fo«M 8II0-2 (10-68)

## Every issue (1)

- July 15, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a4/13/a413df10f4df4c2b0c6c3b2aad7c99f3a28daa02815fbb5ba8bdcb805820c504)

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