STC SA09010SC

Supplemental type certificate · Sierra Industries Ltd.

Holder
Sierra Industries Ltd. · United States
Status
Current · Reissued
Status date
July 14, 2017
Applied
February 24, 1994
Product
Aircraft · Small Airplane
Certification basis
Part 21, Part 23
Data sheet
TCDSA27CE

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

What it approves

Installation of a pilot's control wheel mounted, alternate gear horn silence 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 14, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA09010SC

Part 23 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A27CE Make: Cessna Model: 551, 501

Installation of a pilot’s, control wheel mounted, alternate gear horn silence switch in accordance with Sierra Drawing List SI260-000, Revision IR, dated January 25, 1994, or later FAA approved revision.

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

Date of Application: February 24, 1994 Date Reissued: July 21, 2005; July 14, 2017 Date of Issuance: March 06, 1995 Date Amended:

Signature

Title James A. Grigg Manager, Fort Worth Aircraft Cer tification Office, Southwest Region 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: SA09010SC

To (Name and address of transferee)

From (Name and address of grantor)

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

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
Textron Aviation Inc.501A27CE
Textron Aviation Inc.551A27CE

Every issue · 3

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

DateStatusFiles
July 14, 2017Reissued, currentCertificate
July 14, 2017Reissued, earlier issueCertificate
July 21, 2005Reissued, earlier issueCertificate