# STC SA3044SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model YK526 consisting of yaw damper system.
- Applied: February 4, 1975
- Status date: June 22, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- Certificate PDF: https://openairdocs.org/files/sha256/be/9b/be9b4dd876dd166a8b747a1409a24ebc7ab06a0d33f7fb5a1840d50211b1df4f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4C3B649D0A91D87185256CC2000A931A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3044SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 340 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Cessna Aircraft Company 340A ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

## 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.

Btpartmtnt or Transportation —federal Situation administration Supplemental t^pe Certificate , uflfauta/tf-nA:

€J*wt*wd' Ztreduet —~ ,Jr/ SA3044SW-D Century Flight Systems, Inc P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067

- Civil Air 3A25 Cessna 340, 340A n&f- :

Installation of Mitchell Automatic Flight System Model YK526 consisting of Yaw Damper System according to Bulletin No. 646, Revision 2, dated 3-1-76 and Master Drawing List No. 87A769, Revision B, dated 3-1-76 Eligible on Cessna Model 340 with or without the modification according to STC SE1908SW FAA/DAS Approved Supplemental Flight Manual Supplement, P/N 68S222-1, dated 3-31-76 is required.

tS the >*<*> — f. 4-18-75; 3-31-76; 6-22-84, Revision 3 Don P. Watson Manager, Aircraft Certification Division Southwes_t Region (7 ale)

This arlijicale majr te Irani/tried in afiordanct with /-AR 21'.47.

INSTRUCTIONS: Tha transfer endorsement balon may ba uaad to notify the appropriate FAA Regional Offica of tha transfer of the Supplemental Type Certificate.

Tha FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer Che ownership of Supplemental Type Certificate Numberto (Name of transferee) (Address of transferee) {Number and street) (City, State, and ZIP code) from (Name of grantor)(Print or type) (Address of grantor) (Number s street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)

## Every issue (1)

- June 22, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/be/9b/be9b4dd876dd166a8b747a1409a24ebc7ab06a0d33f7fb5a1840d50211b1df4f)

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