# STC SA5397SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation
- Description: Installation of S-TEC yaw damper system, Model ST-309.
- Status date: June 11, 1985
- Data sheets: 3A21, 3A21, 3A21, 3A21
- Certificate PDF: https://openairdocs.org/files/sha256/f9/74/f97476f6f5acfee3846a522eccb804b012f3bb2c7287bc8a4b80170411ccd502
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/990B33A51DC987C385256CC2001228DD.0001
- Page: https://openairdocs.org/stc/SA5397SW-D

## ADs that name it

None.

## Approved models (4)

- Textron Aviation Inc. 210D (TCDS 3A21)
- Textron Aviation Inc. 210E (TCDS 3A21)
- Textron Aviation Inc. 210F (TCDS 3A21)
- Textron Aviation Inc. T210F (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 £tatu of aarrico Bepartmcnt of Transportation —federal atriation administration Supplemental i:gpe Certificate lyuvrrwer- SA5397SW-D S-TEC Corporation Rt. 4, Bldg, 946 Welters Industrial Complex Mineral Wells, TX 76067 no* *< -J d &i* ClVl I Air . .feai (*r<ai no/ ^^catic/ —— •I/ CESSNA 210D, 210E, 210F AND T210F ^£-^eAcr<Si&f>n: jx-l/.y/i* —£ -e&ta n 'flsui'n&t' :

Installation of S-TEC Yaw Damper System, Model ST-309, according to Bulletin No.

409, dated 5-21-85 and Raster Drawing List No. 92325, dated 5-21-85 and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplemental Flight Manual, P/N 89606, dated 6-11-85 is required for Cessna Models 210D, 210E, 210F and T210F and/or later FAA Approved revisions of the above supplement.

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

5-23-85 6-11-85 *^wdi**4i£u>n/*ti&^<ne'S!2drriin4&&a&>v- (Signature) Harold W, Holdeman DAS Staff Coordinator, DAS 5 SW (Till*) ~

TAu certificate may be tratuftmJ in actorJona with FAR 21.47.

I1KV-J (1 o-»i)

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

Signature of grantor (In ink):

US. GOVERNMENT PRINTING OFFICE : 1966 OF — 205-579

## Every issue (1)

- June 11, 1985: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f9/74/f97476f6f5acfee3846a522eccb804b012f3bb2c7287bc8a4b80170411ccd502)

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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.