Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Amended
Status date
September 6, 1996
Applied
August 12, 1996
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 6, 2025.

What it approves

Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-634-40/50.

What the certificate saysOCR

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Enical States of Suerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09162AC-D This certificate issued to: S-TEC Corporation 946 Pegram Mineral Wells, Texas 76067 Port 3 of the CIVIl Air Regulations Original Product - Type Contificate Number: 6A1 Make: Twin Commander Model: 560-A and 560-E Description of Type Design Change:

Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-634-40/50, according to Bulletin No. /34, dated 8-09-96 and Master Drawing List No. 92946, dated 8-09-96 or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual supplement, P/N 891293, dated 8-16-96 is required for Twin Commander Models 560-A and 560-E for S-TEC System 40 or later FAA Approved revisions of the above supplement.

(See Continuation Sheet, Page 2, a part of this STC.)

Thomas (Title)

FAA Foss 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09162AC-D, Revision 1 Limitations and Conditions: (con't.)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891294, dated 8-16-96 is required for Twin Commander Models 560-A and 560-E for S-TEC System 50 or later FAA Approved revisions of the above supplement.

3. Compatibility of this modification with other previously approved modifications must be determined by the installer.

47 PAGE 2 OF 2 PAGES

INSTRUCTIONS: The transfer endorsenent below may be used to notify the appropriate FAA Regional Office of the transfer of the Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transfeter and forward it to hims

TRANSFER ENDORSEMENT Transfer the 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 of grantor) (Number & street) (City, Stats, and 2TP codel Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

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 · 2

MakeModelData sheet
Twin Commander Aircraft LLC560-A6A1
Twin Commander Aircraft LLC560-E6A1