# STC SA272CE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: D'Shannon Products Ltd. - Description: Installation of Lycoming IO-360-B1A engines and Hartzell HC-C2YK-2RA/7666A-2 propellers. Gross weight increase to 4000 lbs. Data required: Eight photographs for Doyn 180 HP Piper Apache Fuel Injection dated May 20, 1964. Doyn dwg. 1800, Rev. C dated 3/23/62, except for propeller specified and fuel system (dwg. 1807). Hartzell Type Certification Data Sheet P-920-5 for propeller installation. - Status date: July 14, 2011 - Data sheets: 1A10 - Certificate PDF: https://openairdocs.org/files/sha256/76/92/7692e29d65a841b0c90bb1e7b4caa21eccd4a8d3bd477b88126bd178864111fd - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1BD971BC24922E35862578EF0054042E.0001 - Page: https://openairdocs.org/stc/SA272CE ## ADs that name it None. ## Approved models (1) - Piper Aircraft Inc. PA-23-160 (TCDS 1A10) ## 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. This certificate issued to Part 3 of the Civil Air Regulations. Installation of Lycoming IO-360-B1A engines and Hartzell HC-C2YK-2RA/7666A-2 propellers. Gross weight increase to 4000 lbs. Data required: Eight photographs for Doyn 180 HP Piper “Apache” Fuel Injection dated May 20, 1964. Doyn dwg. 1800, Rev. C dated 3/23/62, except for propeller specified and fuel system (dwg. 1807). Hartzell Type Certification Data Sheet P-920-5 for propeller installation. Doyn Airplane Flight Manual Supplement dated 10/15/64 is required. Compatibility of this modification with other previously approved modifications must be determined by the installer. D’Shannon Products, Ltd. 1309 County Road 134 Buffalo, MN 55313 1A10 Make : Piper Model : PA-23-160 Date of application : August 27, 1964 Date of issuance : October 15, 1964 Date reissued : 1/25/66; 5/17/78; 3/9/79; 5/12/11; 7/14/11 ( Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office ( Title) ## Every issue (2) - July 14, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/76/92/7692e29d65a841b0c90bb1e7b4caa21eccd4a8d3bd477b88126bd178864111fd) - May 12, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d4/90/d490eac5313d3d6d2a5b2a6c70a318c65c4d310e80540d5ef9d5bf7222111a7e) --- 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.