# STC SA1053SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK287 consisting of Century III autopilot with optional automatic pitch trim and radio coupler.
- Applied: February 13, 1969
- Status date: September 7, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/e0/3d/e03d844b6393789f2dfd842a7c599d05d37aecc3822955675ad0c6337295a5f0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BC3EF4FA459FB69185256CC10080DCFE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1053SW

## ADs that name it (0)

None.

## Approved models (1)

- Mooney International Corporation M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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.

©tpartmtnt of transportation —federal aviation administration Supplemental t^uje Certificate iSKttm&er' SA1Q53SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 M&fl>d^>iMftM(^^ Civil Air 2A3 Mo one y M20F Installation of Mitchell Automatic Flight System Model AK287 consisting of Century III Autopilot with optional Automatic Pitch Trim and Radio Coupler according to Bulletin No. 391 dated February 13, 1969. Installation of Glide Slope Coupler according to Bulletin No. 366 dated July 16, 1968.

Mitchell Industries, Inc. FAA Approved Placard 13A329-287 required with installation of Century III Autopilot.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Mooney Model M20F, Serial No. 680005, Registration No. N6A63Q, only.

*a —/'a£r- 4&& February 13, 1969 July 16 . 1969 -/air w*jjw*/ _/«^ 4itfi*rtj/f<i 9-7-84, Revision 1 Don P. Watson <Stgaaimt) Manager, Aircraft Certification Division S_guthwest_Eegion 1

I NS I Rl •(., I lOIN'.S I he transfer rndorsrmrnl below may be used u> nofih <lir ;i|)pni|)rialc FA A V r^ional Office of I ho [ranslcr of this ,Sup|)li-mrmal Typ<- Crriilicalc 1'ht I A A will ri'isiuc the crrlifiialr in the name cil ihc Iransf'crte ani.1 lorwani i! lu him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .„._ to (Name oj transferee) (Address of transferee).__ (Wumbtr and street) (City, Stale, a.

from (Natttr of grantor) (Print or type) (Address uj grantor) (Number and liffft) , Slau, and ZIP mdr) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- September 7, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e0/3d/e03d844b6393789f2dfd842a7c599d05d37aecc3822955675ad0c6337295a5f0)

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.
