# STC SA1394SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc
- Description: Installation of Mitchell automatic flight system Model AK353 consisting of Century III autopilot with optional automatic/command trim, radio coupler, glide slope coupler.
- Status date: July 10, 1984
- Data sheets: 6A1, 6A1, 6A1, 6A1
- Certificate PDF: https://openairdocs.org/files/sha256/bb/45/bb45c389f3866e541d9ced6dd825831dfdad6bf5eeca87952866a68d9a75ed63
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E446377418ED18CB85256CC100821031.0001
- Page: https://openairdocs.org/stc/SA1394SW

## ADs that name it

None.

## Approved models (4)

- Twin Commander Aircraft LLC 500-A (TCDS 6A1)
- Twin Commander Aircraft LLC 500-B (TCDS 6A1)
- Twin Commander Aircraft LLC 500-S (TCDS 6A1)
- Twin Commander Aircraft LLC 500-U (TCDS 6A1)

## 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.

©Epartmtnt of transportation —federal Station administration Supplemental ICgpe Certificate SA1394SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 3 ^f, Civil Air 6A1 Rockwell 500A, 500B, 500U, 500S Installation of Mitchell Automatic Flight System Model AK353 consisting of Century III Autopilot with optional Automatic/Command Pitch Trim, Radio Coupler, and Glide Slope Coupler according to Bulletin No. 472, Revision (6) dated 3-15-73 and Master Drawing List 87A579, Revision G dated 3-15-73; installation of optional Mitchell Radio Coupler 1C38S-3 per Bulletin No. 611, Revision (1) dated 4-16-7A and Master Drawing List 87A708, Revision A, dated 4-16-74.

FAA Approved Airplane Flight Manual Supplement dated November 22, 1971, is required.

FAA Approved Airplane Flight Manual Supplement P/N 68S167 dated 4-16-74 is required for Mitchell Radio Coupler Model 1C388-3.

November 5, 1971 November 22, 1971* °ther proved modifications fuj tf &ie 5-18-72; 4-16-74; 7-10-84, Revision 3 Don P. Watson Manager, Aircraft Certification Division Southwest Region

TAu certificate may bt Iransfmed in actordaact iti<t/i FAR 21-17.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) ICtty, Slate, w from (Name of grantor) (Print or type) (Address of grantor) (Number and Itreel) I Ciy. SlaU. a Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 6S-5336**

## Every issue (1)

- July 10, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/bb/45/bb45c389f3866e541d9ced6dd825831dfdad6bf5eeca87952866a68d9a75ed63)

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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.