# STC SA3234SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell yaw damper system model YK664
- Applied: September 6, 1977
- Status date: December 7, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/20/6a/206ac57b40b59338bf13be3c4fca42ec5394b7eaedb5c6c74e81eadf39d0c3ef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/591D6C74CDCF6B5C85256CC2000A95A6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3234SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA323454-0 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, IX 76067 Certifies that the change in the type design for the folowing product with the limitations and conditions therefor as specified hereon meets the airvorthiness requivements of Part 3 of the CIV1] AIr Regulations.

Original Product -Type bentificate Number: 3A25 Make: Beech Model:

F33A Description of Type Design Change:

Installation of Mitchell Yaw Damper System Model YK664 according to Bulletin No. 793, dated 9/2/77 and Master Drawing List No. 87A959, dated 9/2/77, or later FAA approved revision.

Limitations and Conditions: 1. El1g1ble only on Beech Model F33A, S/N CB-674 and Up.

2. Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S597 dated 9/22/77 18 required.

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

Date of Application: 9/6/77 Jule missued: 12/7/83 Revision 1 Date of Issuance: . 9/22/77 Date Amended:

EDERAL AVIATION Don P. Watson (Signature ) TOMINISTRA ON Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FORM B110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (239175 prco esquin)) from (Name of grantor) (Prinl or type) (Address of grantor) (Number and sireel;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

+ 11 « r. 0~. 1090-262-190

## Every issue (1)

- December 7, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/20/6a/206ac57b40b59338bf13be3c4fca42ec5394b7eaedb5c6c74e81eadf39d0c3ef)

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