STC ST09975SC

Supplemental type certificate · Sierra Industries Ltd.

Holder
Sierra Industries Ltd. · United States
Status
Current · Reissued
Status date
July 31, 2017
Applied
July 14, 2000
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 6, 2025.

What it approves

Optimal maximum zero fuel weight (MZFW) increase for aircraft modified per STC SA2172NM installation of LONGWING Modification including wing tip extensions, extended pneumatic de-ice boot, increased fuel capacity, and other minor refinements.

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 3

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

Number: ST09975SC

Part 25 of the Federal Aviation Regulations.

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

Date of Application: July 14, 2000 Date Reissued: July 21, 2005; July 31, 2017 Date of Issuance: February 12, 2002 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 3

Transfer the ownership of Supplemental Type Certificate Number: ST09975SC

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: ST09975SC

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

Date of Issuance: February 12, 2002 Date of Reissuance: July 31, 2017

Description of Type Design Change (continued):

Optional maximum zero fuel weight (MZFW) increase for aircraft modified in accordance with: STC Number SA2172NM installation of the LONGWING Modification including wing tip extensions, extended pneumatic de -ice boot, increased fuel capacity, and other minor refinements, Instruments and Markings per Drawing L ist No. 11, Kit No.

11-51001-2 Revision E, dated 4-12-01 or later FAA approved revision and FAA approved Airplane Flight Manual Supplement for Cessna 500 Series with Sierra LONGWING Modification Installed, dated Feb 12, 2002 or later FAA approved revision is required or STC Number SA2646NM which includes wing tip extensions, extended pneumatic de -ice boot, increased fuel capacity and other minor refinements, Instruments and Markings per Drawing List No. 11, Kit No.

11-51001-2 Revision E, dated 4-12-01 or later FAA approved revision and Airplane Flight Manual Supplement for Cessna 500 Series with Sierra LONGWING Gross Weight Increase Modification Installed, dated Feb 12, 2002 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 product, the holder shall give the other perso n written evidence of that permission.

The limitations listed in Type Certificate Data Sheet No. A22CE are applicable except as follows:

AIRSPEED LIMITS (CAS)

Calibrated Indicated VMO (Maximum operating) 248 KCAS 250 KIAS (Sea level to 30,900 feet)

MMO (Above 30,900 feet) 0.698 MACH 0.705 MACH

Autopilot Operation 248 KCAS 250 KIAS

0.698 MACH 0.705 MACH

GROSS WEIGHT LIMIT

Max. Zero Fuel Weight (MZFW) 9,000 lbs.

WING SPAR INSPECTION

The wing spar inspection per AD79-12-06 is to be conducted at intervals specified for Aircraft Serial Number 500-350 and on.

-END-

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09975SC

FAA Form 8110-2 (5/14) Page 4 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