# STC ST09975SC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd. - Description: 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. - Status date: July 31, 2017 - Data sheets: A22CE - Certificate PDF: https://openairdocs.org/files/sha256/be/1e/be1e9fc6d3c677c4469c43c86ef2978c120aa8a6b4c6dd163d6c97d7b118cb7d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2E8D4281935F605386258726004B76F6.0001 - Page: https://openairdocs.org/stc/ST09975SC ## ADs that name it None. ## Approved models (1) - Textron Aviation Inc. 500 (TCDS A22CE) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can 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 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/be/1e/be1e9fc6d3c677c4469c43c86ef2978c120aa8a6b4c6dd163d6c97d7b118cb7d) - July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/99/a3/99a31fa2737a55f299eab3c370928e68591cc2a2b8f9667c4b34a005dfcf33da) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.