Keystone Turbine Services
a PAG Company
885 Fox Chase, Suite 111, Coatesville, PA 19320
Phone: +1 (610) 268-6200 • Fax: +1 (484) 786-8680



With a legacy dating back to 1976, Keystone Turbine Services (KTS) is a certificated FAA Part 145 Repair Station located in Coatesville, PA. We proudly celebrated our grand opening on May 4, 2012 to unveil our new state-of-the-art facility situated just north of the Chester County airport (KMQS).

KTS has an outstanding industry reputation for the maintenance, repair and overhaul of Rolls-Royce M250 engines and Honeywell related accessory lines.  With our full data capture, certificated and correlated, all-digital test cell, KTS offers both functional and full-performance engine testing for both turboshaft and turboprop engines.  In addition we offer engine, module, accessory and component sales, exchanges, lease or rental units, spare parts sales and global field service support and training.

Our long-tenured employees average 20 years individual experience and are recognized as among the best in the industry.  They continue providing world-class service and support to our long-term devoted customers as well as welcoming new customers who operate in diverse markets such as commercial, government, off-shore, sightseeing, law enforcement and medical aviation programs.

Additionally, KTS is a member of the Rolls-Royce M250 FIRST network as a certificated Authorized Maintenance, Repair and Overhaul Center (AMROC) and Honeywell Authorized Warranty and Repair Station (AWARS).  As such, we’re fully approved and capable of supporting all M250 TotalCare® operators.