The designation refers to a specific type of single-engine, high-performance aircraft. It represents a modernized variant of a well-established model, enhanced with improved engine technology for increased power and efficiency. The upgrade typically involves replacing the original engine with a more modern turboprop powerplant, resulting in enhanced performance characteristics.
This modification offers numerous advantages including improved climb rates, higher cruise speeds, and enhanced fuel efficiency. Historically, the upgrade became popular as a means of extending the lifespan and improving the operational capabilities of existing aircraft. The conversion represents a significant investment aimed at maximizing the aircraft’s utility and performance. This allows operators to achieve performance levels comparable to newer aircraft at a potentially lower overall cost than purchasing a new aircraft.