Keystone Turbine Services

Aviation and Aerospace Component ManufacturingPennsylvania, United States11-50 Employees

Keystone Turbine Services is an aviation and aerospace component service provider based in Coatesville, Pennsylvania. Founded in 1976, it operates as an FAA Part 145 certificated repair station with a long-standing presence in the industry. In 2012 the company opened a modern facility near the Chester County Airport (KMQS) to enhance its overhaul and testing capabilities.

The company specializes in maintenance, repair, and overhaul of Rolls-Royce M250 engines and related Honeywell accessory lines. Its testing facility features an all-digital test cell with data capture, enabling functional and full-performance testing for turboshaft and turboprop engines. Keystone Turbine Services offers engine and component sales, exchanges, leases or rentals, spare parts, global field service support, and training, serving customers across commercial, government, offshore, sightseeing, law enforcement, and medical aviation programs.

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