COATESVILLE, PENNSYLVANIA. January 24, 2020 –  Keystone Turbine Services (“KTS”), a certified Rolls-Royce Authorized Maintenance, Repair and Overhaul Center (AMROC) for all M250™ series gas turbine engines and related components, is pleased to announce the approval of its subsidiary Southwest Fuels (“SWF”) as the newest authorized Rolls-Royce Branch facility for M250-C40B and M250-C47B/M series of hydromechanical units (HMUs).

“Via their new Authorized Service Center Agreement with Triumph Engine Controls, SWF now carries the unique Rolls-Royce branding profile within the M250 FIRST Network™, further enhancing the level of service and support offering’s our facilities are providing all customers” said Rob Ruck, President and COO of M International, Inc. “SWF is now fully certified to provide comprehensive in-house MRO services, to include field service support, for HMU customers worldwide.”

“As a Rolls-Royce certified Branch of Keystone, SWF provides the expertise and experience to support customer HMU requirements, backed by the trusted name of Keystone” stated John Fraser, General Manager at KTS. “The team at SWF has combined over 75-years of fuel component experience supporting various Triumph branded accessories; it was only logical to bring their unique skillsets into the M250 HMU program as we continue to expand our overall support network.” The models supported are shown on the chart below:





C40B Bell 430
C47B Bell 407/GX/GXP
C47B/8 Bell 407GXi
C47M MD600


About Keystone Turbine Services

With over 44 years of experience, KTS is Rolls-Royce’s second largest certificated Authorized Maintenance Repair & Overhaul Center (AMROC) supporting all variants of the M250 Series engine, modules, accessories and components. In addition, KTS is an FAA and EASA certificated Part 145 Repair Station and a certificated Honeywell Authorized Warranty and Repair Station (AWARS) for Overhaul, Repair and Testing of Rolls-Royce M250 and Pratt & Whitney PT6A and PT6T Fuel Controls, Power Turbine Governors and related accessories.

About Southwest Fuel Systems: Located in Stroud, Oklahoma (USA), SWF will celebrate 12 years as a Triumph Authorized Maintenance Center for T53 FCUs and PTGs. Through its factory trained technicians (with more than 75 years of combined experience), SWF is also recognized as a Honeywell Authorized Service Center “provider-of-choice” for T53 and now Rolls-Royce M250 series HMU components worldwide. In addition to being recognized as an authorized Hammonds Fuel Additive distributor, SWF additional capabilities include full MRO services for a wide variety P&WC PT6A & PT6T and Rolls-Royce M250 Fuel Components to better support their customers accessory overhaul requirements.

About M International

Since 1979, M International has been a leading provider of aftermarket technical, MRO and supply chain management services for the aerospace and defense industry. Headquartered in McLean, Virginia, they hold several OEM distribution and representation agreements including T53 & T55 Worldwide Spare Parts.  In addition to KTS, M International is also the parent company of Airborne Engines Ltd (Delta, British Columbia, Canada); MINT Turbines (Stroud, Oklahoma) and Southwest Fuel Systems (Stroud, Oklahoma).

About the Rolls-Royce FIRST Network

The Rolls-Royce FIRST (Fully Integrated Rolls-Royce Support Team) Network is the authorized global support network for operators of the M250 series of small gas turbine engine, providing affordable, reliable support solutions. The FIRST Network includes more than 30 approved, licensed service centers around the world. With its competitive structure, operators will find affordable and reliable services anywhere for Rolls-Royce M250 engines and related components. Aviall Inc. (a Boeing company) is also a key part of the FIRST Network as the authorized global distributor for all Rolls-Royce M250 new engines, parts, modules and tooling.

For additional information please contact Chuck Hurdleston, M International’s Vice President of Sales & Marketing

Email:  Phone: +1 (610) 268-6200, X3201 (O) or +1 (610) 909-6846 (M)