# STC SA4511SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation
- Description: Installation of S-TEC system 60 pitch stabilization Model ST-039 with optional autotrim
- Status date: October 20, 1981
- Data sheets: 3A21, 3A21
- Certificate PDF: https://openairdocs.org/files/sha256/e1/32/e13232395e33737cb3ba04a04b86141470d258ddedc966a3939e88d4459e5ef7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F6618267C886745A85256CC2000E3CF9.0001
- Page: https://openairdocs.org/stc/SA4511SW

## ADs that name it

None.

## Approved models (2)

- Cessna Aircraft Company 210K (TCDS 3A21)
- Cessna Aircraft Company T210K (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.

United Starts of amtrica Bepartment of transportation— federal atnation administration Supplemental t:gpe Certificate ^l«att/a/tc-m^.

SM511SW Pr°ject FKP-213 S-TEC Corporation Route 4, Building 946 Wolters Industrial Complex Mineral Wells, Texas 76067-9990 x<^^/t^<z4l^^ 3 ^J&e, Civil Air 3A21 Cessna 210K, T210K Installation of S-TEC System 60 Pitch Stabilization System, Model ST-039 with Optional Autotrira System according to Bulletin No. 142, dated 9-24-81 and Master Drawing List No. 9247, dated 9-24-81, or later FAA approved revision. (14 Volt System) FAA Approved Supplemental Flight Manual P/N 8948 dated 10/20/81 is required for Cessna Models 210K and T210K with S-TEC System 60 Pitch Stabilization System (14 Volt System).

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

^: September 24, 1981 . October 20, 1981 (Signature) ^™ J. Watson Chief, Engineering and Manufacturing Branch (Title)—————————————————

This certificate may be transferred in accordance with FAR 21 .47.

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

## Every issue (1)

- October 20, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e1/32/e13232395e33737cb3ba04a04b86141470d258ddedc966a3939e88d4459e5ef7)

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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.