# STC SE1339SW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Continental Motors, Inc., United States - Description: Modify pistons to Drawings 11007 and 11015; piston rings - Applied: July 8, 1970 - Status date: October 31, 2016 - Product: Engine - Certification basis: Part 13, Part 21 - Data sheets: [TCDS E-275](https://openairdocs.org/tcds/E-275), [TCDS 1E10](https://openairdocs.org/tcds/1E10), [TCDS E-286](https://openairdocs.org/tcds/E-286), [TCDS 1E7](https://openairdocs.org/tcds/1E7), [TCDS 1E12](https://openairdocs.org/tcds/1E12), [TCDS 1E4](https://openairdocs.org/tcds/1E4), [TCDS E11EA](https://openairdocs.org/tcds/E11EA), [TCDS E-274](https://openairdocs.org/tcds/E-274), [TCDS E-295](https://openairdocs.org/tcds/E-295), [TCDS 1E14](https://openairdocs.org/tcds/1E14), [TCDS 1E1](https://openairdocs.org/tcds/1E1), [TCDS 1E15](https://openairdocs.org/tcds/1E15) - Certificate PDF: https://openairdocs.org/files/sha256/ee/34/ee344ae558eb85dc3954f24952ab21becb9c8d460212512f178d8b691468fe01 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B9D366E3C253150D862580B8008343FC.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SE1339SW ## ADs that name it (0) None. ## Approved models (42) - Lycoming Engines GO-480-B ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-C1B6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-C1D6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-D1A ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-F1A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-G1A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-G1B6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-G1D6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-G1J6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines GO-480-G2F6 ([TCDS E-275](https://openairdocs.org/tcds/E-275)) - Lycoming Engines HIO-360-A1A ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines HIO-360-B1A ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines HIO-360-C1A ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines HO-360-B1A ([TCDS E-286](https://openairdocs.org/tcds/E-286)) - Lycoming Engines HO-360-B1B ([TCDS E-286](https://openairdocs.org/tcds/E-286)) - Lycoming Engines IGSO-540-B1A ([TCDS 1E7](https://openairdocs.org/tcds/1E7)) - Lycoming Engines IO-320-B1A ([TCDS 1E12](https://openairdocs.org/tcds/1E12)) - Lycoming Engines IO-320-B1B ([TCDS 1E12](https://openairdocs.org/tcds/1E12)) - Lycoming Engines IO-320-C1A ([TCDS 1E12](https://openairdocs.org/tcds/1E12)) - Lycoming Engines IO-320-E2A ([TCDS 1E12](https://openairdocs.org/tcds/1E12)) - Lycoming Engines IO-360-A1A ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines IO-360-A2B ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines IO-360-B1A ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines IO-360-C1A ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines IO-360-C1B ([TCDS 1E10](https://openairdocs.org/tcds/1E10)) - Lycoming Engines IO-540-D4A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4)) - Lycoming Engines IO-540-G1A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4)) - Lycoming Engines IO-540-J4A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4)) - Lycoming Engines IO-540-K1A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4)) - Lycoming Engines IO-540-K1B5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4)) - Lycoming Engines IVO-540-A1A ([TCDS E11EA](https://openairdocs.org/tcds/E11EA)) - Lycoming Engines O-320-D1A ([TCDS E-274](https://openairdocs.org/tcds/E-274)) - Lycoming Engines O-320-D2A ([TCDS E-274](https://openairdocs.org/tcds/E-274)) - Lycoming Engines O-320-D2B ([TCDS E-274](https://openairdocs.org/tcds/E-274)) - Lycoming Engines O-540-E4A5 ([TCDS E-295](https://openairdocs.org/tcds/E-295)) - Lycoming Engines O-540-E4B5 ([TCDS E-295](https://openairdocs.org/tcds/E-295)) - Lycoming Engines O-540-E4C5 ([TCDS E-295](https://openairdocs.org/tcds/E-295)) - Lycoming Engines TIVO-540-A2A ([TCDS 1E14](https://openairdocs.org/tcds/1E14)) - Lycoming Engines VO-360-A1A ([TCDS 1E1](https://openairdocs.org/tcds/1E1)) - Lycoming Engines VO-360-A1B ([TCDS 1E1](https://openairdocs.org/tcds/1E1)) - Lycoming Engines VO-360-B1A ([TCDS 1E1](https://openairdocs.org/tcds/1E1)) - Textron Lycoming AVCO Corporation IO-720-A1A ([TCDS 1E15](https://openairdocs.org/tcds/1E15)) ## 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: SE1339SW Part 13 of the Civil Air Regulations Original Product – Type Certificate Number: See rework list attached Make: Lycoming Engines to this STC Model: See rework list attached to this STC Modify pistons to Drawings 11007 and 11015; piston rings per Drawings 2105, 2123, 2123A, 2123E, 2129, all Rev. A1, are eligible, or any later FAA approved revision. Rings vary with piston network. Piston ring installation configuration called out on piston modification drawings 11007 and 11015. Eligible with chrome plated cylinders only. 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. Date of Application: July 8, 1970 Date Reissued: 8/27/07; 7/20/15; 1/25/16; 10/31/16 Date of Issuance: July 12, 1970 Date Amended: 12/9/71; 1/18/72; 4/18/72; 10/7/76; 3/2/77; 1/11/83 Revision 6 Signature Title James A. Grigg Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region Continental Motors Inc. 2039 S. Broad St. Mobile, AL 36615 FAA Form 8110-2 (5/14) Page 2 of 3 Transfer the ownership of Supplemental Type Certificate Number: SE1339SW 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: SE1339SW FAA Form 8110-2 (5/14) Page 3 of 3 Date of Issuance: July 12, 1970 Date Amended: January 11, 1983 Date of Reissuance: October 31, 2016 Original Product – Type Certificate Number and Model Type Certificate Number Model Piston Part Number 1E1 VO-360-A1A, A1B, B1A 71594, 75089 1E4 IVO-360-A1A 75089 IO-540-D4A5 75089 IO-540-K1A5, K1B5 78203S, 73464, LW10207-S IO-540-G1A5 78203S IO-540-J4A5 75089 **1E7 IGSO-540-B1A 78762S, 73976S, LW10208-S** 1E10 IO-360-A1A, A2B, C1A, C1B 78203S, 73264, LW10207-S H10-360-A1A, C1A 78203S, 73246, LW10207-S IO-360-B1A, H10-360-B1A 75089 1E12 IO-320-B1A, B1B, C1A 75089 IO-320-E2A 75413 **1E14 TIVO-540-A2A 78762S, 73976S, LW10208-S** 1E15 IO-720-A1A 78203S, 73264, LW10207-S **E11EA IVO-540-A1A 78203S, 73947S** 274 O-320-D1A, D2A, D2B 71594, 75089 275 GO-480-C1B6, G1B6, C1D6, G1A6, 71608, 75617, 72249 G1D6, G1F6, G1J6 GO-480-C1B6, G1B6, C1D6, G1D6, 78203S, 73947S G1A6, G1F6, G1J6 GO-480-B, D1A, D1B, F6 69236, 78762S, 73976S, LW10208-S E-286 HO-360-B1A, B1B 75089 E-295 O-540-E4A5, E4B5, E4C5 75089 -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SE1339SW FAA Form 8110-2 (5/14) Page 4 of 3 ## Every issue (1) - October 31, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ee/34/ee344ae558eb85dc3954f24952ab21becb9c8d460212512f178d8b691468fe01) --- 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.