Cessna 152 — Supplemental Type Certificate

This document is a Supplemental Type Certificate (STC) issued by the Federal Aviation Administration (FAA) for modifications to the Cessna 150 series and the Cessna 152. The STC certifies that the specified changes to the aircraft's type design meet the airworthiness requirements. The certificate outlines the conditions and limitations for the installation of an Avco Lycoming O-360 or O-320 engine and an increase in the airplane's gross weight. It is essential for operators of the affected aircraft models to adhere to the specified limitations and conditions to ensure compliance with FAA regulations. The document also includes information about the necessary supplemental flight manual and applicable airworthiness directives.

• Modification applies to Cessna 150, 150A thru 150M, A150K thru A150M, and 152 models.
• Installation of Avco Lycoming O-360 or O-320 engine is permitted under this STC.
• Airplane gross weight can be increased in accordance with specified drawings.
• A Supplemental Flight Manual dated June 26, 1990, is required for compliance.
• Airworthiness Directive 86-15-07 is applicable to modified airplanes.