STC SA1394SW

Supplemental type certificate · Century Flight Systems Inc

Holder
Century Flight Systems Inc · United States
Status
Current · Reissued
Status date
July 10, 1984
Applied
November 5, 1971
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDS6A1

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of Mitchell automatic flight system Model AK353 consisting of Century III autopilot with optional automatic/command trim, radio coupler, glide slope coupler.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may 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

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 4

MakeModelData sheet
Twin Commander Aircraft LLC500-A6A1
Twin Commander Aircraft LLC500-B6A1
Twin Commander Aircraft LLC500-S6A1
Twin Commander Aircraft LLC500-U6A1