The RR300 was designed specifically to replace piston engines in light aircraft, offering better responsiveness and a much higher power-to-weight ratio. : 240–300 shaft horsepower (shp). Weight : Approximately 201 lbs (dry).

While Rolls-Royce does not publicly list a "sticker price" for individual new engines, its cost structure is centered on long-term reliability and specialized maintenance programs.

: Operators can use Rolls-Royce TotalCare (1.3.4), a "power-by-the-hour" service that provides predictable maintenance costs per flight hour.

: Maintenance training courses for the RR300 are available through providers like StandardAero for approximately $2,500 USD per student. Key Specifications

: 2,000-hour Preventative Maintenance Inspection (PMI).

The turboshaft engine, famously used to power the Robinson R66 helicopter, is priced at approximately $325,000 for a certified, used unit with low flight hours . Price and Ownership Costs

: Used engines in "ready to install" condition have been listed for $325,000 USD .