# STC SA3014SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system YK493 consisting of yaw damper.
- Applied: July 28, 1974
- Status date: August 1, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A8EA](https://openairdocs.org/tcds/A8EA)
- Certificate PDF: https://openairdocs.org/files/sha256/8c/1b/8c1b12994a3dac35afe6371f08601f397c5e706843fef9c6324f17aee1d3bdab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CC1F9168214BF2FE85256CC2000A92B2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3014SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-31P ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))

## 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.

Btpartment of transportation — jftderal Stoiation administration Supplemental t^pe Certificate SA3014SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Jftt /uAf jl^^tt^^Jfafe 3 JJke, Civil Air A8EA Piper PAS IP Installation of Mitchell Automatic Flight System Model YK493 consisting of Yaw Damper per Bulletin No. 617, dated 7-25-74 and Master Drawing List No. 87A729,] dated 7-25-74.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S188, dated 8-8-74 is required.

>~-io-ly approved modifications &nw'Wtw-d*fcf/MiriJi(>At4i*- '<&-rif -$T[fi}rn'ntitfa/i-r- if me- 8rl-84, Revision 1 P. Watson fJ>«™(uir;

Manager, Aircraft Certification Division Southwest Region

THu certififolt may be Iiaruferrtd in accordance with £AR 21-17.

FAA FOM> (1IO-3 |lO-4t)

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

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

Signature of grantor (In ink)

## Every issue (1)

- August 1, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8c/1b/8c1b12994a3dac35afe6371f08601f397c5e706843fef9c6324f17aee1d3bdab)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.