# STC SA7839SW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Installation of replacement extended range bladder fuel cells. (210-5 (205) S/N 205-0001 - 205-0577) (210 S/N 21057841 - 21058818) (T210 SERIES S/N T210-0001-T210-0197) - Applied: March 23, 1988 - Status date: July 31, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21) - Certificate PDF: https://openairdocs.org/files/sha256/47/95/4795a4feb2bb30452ef70710b87d1d65e21aec19ef2118b7d123107a6a6d9205 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04EC3264A44855A786258721004F7090.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA7839SW ## ADs that name it (0) None. ## Approved models (11) - Textron Aviation Inc. 210 ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. 210-5 (205) ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. T210R ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) ## 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 2 Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced. Number: SA7839SW Part 3 of the Civil Air Regulations. Original Product – Type Certificate Number: 3A21 Make: Cessna Model: 210, T210, and 205 Installation of replacement extended range bladder fuel cells in accordance with Sierra Industries Drawing No. SI00601, dated March 29, 1988, DCN No. 1 dated 6/1/88, and DCN No. 2 dated 7/24/90, or later FAA approved revision. Compatibility of this modification with previously installed equipment 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. Limited to Cessna 210 Series airplanes with extended range bladder type fuel cells. (S/N 21057841 thru 21058818; T210-0001 thru T210-0197; and 205-0001 thru 205-0577) Date of Application: March 23, 1988 Date Reissued: July 21, 2005; July 31, 2017 Date of Issuance: June 26, 1990 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: SA7839SW 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 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/47/95/4795a4feb2bb30452ef70710b87d1d65e21aec19ef2118b7d123107a6a6d9205) - July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e4/34/e4348e3af41976a6bcad6af38417354a111782e860d0370655607fc6e56dffe2) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.