STC ST09109SC

Supplemental type certificate · Sierra Industries Ltd.

Holder
Sierra Industries Ltd. · United States
Status
Current · Reissued
Status date
July 31, 2017
Applied
February 24, 1994
Product
Aircraft · Small Airplane
Certification basis
Part 21, Part 25
Data sheet
TCDSA22CE

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

What it approves

Installation of avionics master switch.

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.

FAA Form 8110-2 (5/14) Page 1 of 2

Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: ST09109SC

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A22CE Make: Cessna Model: 500

Installation of avionics master switch in accordance with Sierra Industries, Inc. Drawing List SI-250-000, Revision B, dated March 27, 1995, or later FAA approved revision.

FAA approved Airplane Flight Manual Supplement dated October 4, 1995, or later FAA approved revision, is required.

Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to use this certificate to alter the produ ct, the holder shall give the other person written evidence of that permission.

Date of Application: February 24, 1994 Date Reissued: July 21, 2005; July 31, 2017 Date of Issuance: October 04, 1995 Date Amended:

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: ST09109SC

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA18NW

FAA Form 8110-2 (5/14) Page 3 of 3

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 · 1

MakeModelData sheet
Textron Aviation Inc.500A22CE

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
July 31, 2017Reissued, currentCertificate
July 21, 2005Reissued, earlier issueCertificate