# STC SA10548SC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Textron Aviation Inc - Description: STC for the installation of a single Universal Avionics Radio Tuning Unit (RTU) - Status date: December 15, 2016 - Data sheets: 3A20, 3A20 - Certificate PDF: https://openairdocs.org/files/sha256/70/03/7003d0135b21580b5a93bddab626b7d1ab5cceb75c43b817a68b49fdb7df2a32 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F7B40C3C02B958338625814E00662443.0001 - Page: https://openairdocs.org/stc/SA10548SC ## ADs that name it None. ## Approved models (2) - Textron Aviation Inc. C90 (TCDS 3A20) - Textron Aviation Inc. C90A (TCDS 3A20) ## 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 Part of the Signature Title Textron Aviation Inc. One Cessna Boulevard Wichita, KS 67215 3 SA10548SC Civil Air Regulations. 3 * 3A20 C90; C90A * see continuation sheet 3 of 3 STC for the installation of a single Universal Avionics Radio Tuning Unit (RTU) for a Raytheon C90 and C90A in accordance with Master Drawing List RAS2405MD100, Revision A, dated June 17, 2006, or later FAA approved revision. Airplane Flight Manual Supplement RAS240500257, Revision IR, dated June 19, 2006, 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 a product, the holder must give the other person written evidence of that permission. Raytheon Aircraft Co. May 14, 2007; December 15, 2016 February 6, 2006 June 26, 2006 Mark Fuller STC ODA administrator ODA-100129-CE FAA Form 8110-2 (5/14) Page 2 of To (Name and address of transferee) From (Name and address of grantor) FAA Form 8110-2 (5/14) Page 3 of Date of Issuance: June 26, 2006 Date Reissued: December 15, 2016 Certification Basis: The Certification Basis for this installation is per Type Certificate Data Sheet 3A20 plus the following: FAR 23 effective February 1, 1965 Regulations that meet amendment 23-0 23.303, 23.307, 23.365(a)(b)(d), 23.601, 23.609, 23.1381 Regulations that meet amendment 25-7 23.867 Regulations that meet amendment 25-14 23.771(a) Regulations that meet amendment 25-20 23.1301 Regulations that meet amendment 25-21 23.1501, 23.1541(a2) Regulations that meet amendment 25-23 23.603, 23.605(a) Regulations that meet amendment 25-26 23.1529 Regulations that meet amendment 25-43 23.1331, 23.1357(a)(b)(c)(d)(e) Regulations that meet amendment 25-45 23.305, 23.321(a), 23.613(a)(b) Regulations that meet amendment 25-48 23.301, 23.341(a), 23.561(a)(b)(e), 23.611 Regulations that meet amendment 25-49 23.1309, 23.1351(a)(b), 23.1359(c), 23.1365(a)(b)(d)(e)(f), 23.1431(a)(b) Regulations that meet amendment 25-50 23.1543, 23.1581, 23.1583(m), 23.1585(a)(j) -- END -- SA10548SC 3 ## Every issue (2) - December 15, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/70/03/7003d0135b21580b5a93bddab626b7d1ab5cceb75c43b817a68b49fdb7df2a32) - May 14, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/4e/c6/4ec68d7fa522299a0d77d45fad824901d4b42882220a45e9812eb9388241edf9) --- 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.