# STC SA6034SW-D - Type: Supplemental type certificate - Status: Current, Issued - Holder: S-TEC Corporation, United States - Description: Installation of S-TEC System40/50, single and two axis automatic flight guidance systems, Model ST-216-40/50. - Applied: July 10, 1985 - Status date: August 1, 1985 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 1A3](https://openairdocs.org/tcds/1A3) - Certificate PDF: https://openairdocs.org/files/sha256/a9/85/a98568ca5cfc018e038f9b983c0af3bdcb2382417eaa516068aa294dc5167f5d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/39CB09534E69723D85256CC200569E03.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA6034SW-D ## ADs that name it (0) None. ## Approved models (3) - Alexandria Aircraft LLC 17-30 ([TCDS 1A3](https://openairdocs.org/tcds/1A3)) - Alexandria Aircraft LLC 17-31 ([TCDS 1A3](https://openairdocs.org/tcds/1A3)) - Alexandria Aircraft LLC 17-31TC ([TCDS 1A3](https://openairdocs.org/tcds/1A3)) ## 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. ttmtrd $tatu of amenta Bepartmcnt of transportation — federal atriation administration Supplemental 'Cgpe Certificate SA6034SW-D £Si ria* i S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Mineral Wells, TX jzcA^an ft &r*a* Complex 76067 ta***i . *y ^SM 1V1 I BELLANCA 17-30, 17-31 AND 17-31TC na* • Installation of S-TEC System 40/50, Single and Two Axis Automatic Flight Guidance Systems, Model ST-216-40/50, according to Bulletin No. 316, Revision 3, dated 6-20-85 and Master Drawing List No. 92242, Revision C, dated 6-20-85 and/or later FAA Approved revisions of the above data (14 Volt System). 1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89611, dated 8-01-85 is required for S-TEC System 40 for Bellanca Models 17-30, 17-31 and 17-31TC and/or later FAA Approved revisions of the above supplement. (See Continuation Sheet, Page 2, a part of this STC.) *c4A4*iu>tAe' Je&£a&&&A^a <&y* ^&£ SXdmvntA 7-10-85 8-01-85 ^> (Signature)Harold W. HoldemanDAS Staff Coordinator, DAS 5 SW (Tttlt) FAA «£U« TAu certificate may kt trantferrtJ in accordant* with FAR 21.17. Unitrd £tatu of Bepartment of toosportation— federal SlDiarion administration upplemental t^pe Certificate(Continuation £heet) SA6034SW-D Limitations and Conditions (con't) 2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89612, dated 8-01-85 is required for S-TEC System 50 for Bellanca Models 17-30, 17-31 and 17-31TC and/or later FAA Approved revisions of the above supplement. 3. Compatabil ity of this modification with other previously approved modifications must be determined by the installer. '••/ '.';;) .(rtificatt is punishable by a fine nj nnt excerdins^ Si,000, or imprisonment not exceeding 3 years, nr h"/h '1 hn certificate may be transferred in accordance with i'AK. -I.-I PAGE 2 OF 2 PAGES 1 he appropriate FAA Kegion.1 Office of the transfer of thi* Supplemental Type Certificate. The FAA will reissue the certificate in the name of the transferee and forward it to him. TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee). (Address of transferee). (,Vum&rr *nd Oral) (Cit>, Stole, "d ZIP "xt