# STC SA10816SC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Blackhawk Modifications Inc., United States - Description: Electronic torque indication system upgrade - Applied: August 31, 2007 - Status date: February 29, 2016 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21, Part 23 - Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) - Certificate PDF: https://openairdocs.org/files/sha256/c0/5a/c05a74bec77a70feffcde7dd3ae674ddc09e04593debff5442857258bc51f9a0 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EA138249DEF1562A86257FB6006B9F90.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA10816SC ## ADs that name it (0) None. ## Approved models (1) - Textron Aviation Inc. 425 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) ## 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 Number: SA10816SC Part 3 of the Civil Air Regulations Original Product – Type Certificate Number: A7CE Make: Cessna Model: 425 Description of Type Design Change: Electronic torque indication system upgrade in accordance with Installation Drawing No. 200707-05, Revision IR, dated July 24, 2007, or later FAA approved revision. Required instructions for continued airworthiness are contained in document No. 200707-30, Revision IR, dated January 22, 2008, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement 200707, Revision IR, dated February 28, 2008, or later FAA approved revision is required. The installer must determine whether this design change is compatible with previously approved modifications. 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. Certification Basis: Date of Application: August 31, 2007 Date Reissued: February 29, 2016 Date of Issuance: February 28, 2008 Date Amended: Signature Title John Hardie Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region Blackhawk Modifications, Inc. 30 Birkdale Place Moraga, CA 94556 FAA Form 8110-2 (5/14) Page 2 of 3 Transfer the ownership of Supplemental Type Certificate Number: SA10816SC 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: SA10816SC FAA Form 8110-2 (5/14) Page 3 of 3 Date of Issuance: February 28, 2008 Date of Reissuance: February 29, 2016 Certification Basis (Continued): The certification basis for this STC is the same as for the original certification basis for the Cessna 425 airplane as defined in TCDS A7CE except for 14 CFR Part 23 Paragraphs 23.1, 23.29, 23.301, 23.303, 23.305, 23.307, 23.363, 23.601, 23.603, 23.605, 23.627, 23.771, 23.1183, 23.1301, 23.1305, 23.1309, 23.1321, 23.1322, 23.1351, 23.1357, 23.1359, 23.1381, 23.1431, 23.1529, 23.1541, 23.1543, 23.1549, 23.1581, 23.1583, which are amended by Amendment 23-57. -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA10816SC FAA Form 8110-2 (5/14) Page 4 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA10816SC FAA Form 8110-2 (5/14) Page 5 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA10816SC FAA Form 8110-2 (5/14) Page 6 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA10816SC FAA Form 8110-2 (5/14) Page 7 of 3 ## Every issue (2) - February 29, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c0/5a/c05a74bec77a70feffcde7dd3ae674ddc09e04593debff5442857258bc51f9a0) - February 28, 2008: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ff/df/ffdf502a053a96578ab21072345d1e0175ce31b569410f3af6c3ba642de1af66) --- 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.