150 — Cessna Aircraft Company 150

This document is a petition submitted to the FAA proposing amendments to regulations that would simplify the process for replacing engines on legacy aircraft, specifically targeting models like the Cessna 150. The petition aims to establish a more accessible approval pathway for engine swaps, allowing for the installation of modern alternative engines without the burdensome requirement of obtaining a new Supplemental Type Certificate (STC) for every case. The document outlines the challenges faced under current regulations, the benefits of modernizing engine options, and the proposed regulatory framework to facilitate these changes. It emphasizes safety, environmental, and economic benefits associated with the proposed rule changes, aiming to enhance the operational capabilities of aging aircraft while maintaining high safety standards.

• The petition aims to simplify engine replacement regulations for legacy aircraft like the Cessna 150.
• Current regulations classify engine swaps as major modifications requiring an STC, which is often costly and complex.
• The proposed changes would allow for easier installation of modern engines, enhancing safety and efficiency.
• European regulations provide a more flexible framework for engine swaps, which the petition seeks to emulate in the U.S.
• The document outlines significant safety, environmental, and economic benefits associated with the proposed regulatory changes.