M International, December 12, 2019 - TUCSON, ARIZONA - M International’s subsidiary company Southwest Fuel Systems (SWF) is pleased to announce its approval to provide full-service maintenance, repair, overhaul and exchange (MRO) services for original Triumph manufactured Hydromechanical Units (HMU) certified for use on the Rolls-Royce M250-C40/C47 series of gas turbine engines.
Ralph Bishop, President of Southwest Fuels stated, “As a Triumph Authorized Engine and Control Maintenance Center for HMU’s, our goal is to provide faster turnaround for overhaul and exchange HMU’s along with a better price. This industry was ripe for a new support team, and Southwest Fuels accepts this challenge – let us address your next HMU need.”
The M250-C40/C47 Series engine incorporates a Full Authority Digital Electronic Fuel Control (FADEC) system which provides complete automatic control of the engine including temperature and speed limiting.
The FADEC system has two main components – one Electronic Control Unit (ECU) and one Hydromechanical Unit (HMU). The HMU is engine mounted and driven by the N1 gear train and includes a fuel metering unit and both a boost stage (high performance liquid ring) fuel pump and a main fuel pump (gear stage).
The following HMU’s are supported by SWF:
About Southwest Fuel Systems: In March 2018, Southwest Fuel Systems, located in Tucson, Arizona (USA), will celebrate 10 years in business as a Triumph Authorized Engine Control Systems MRO center. Through its factory trained technicians with more than 75 years of combined experience, SWFS is recognized as the Honeywell Authorized Service Center provider-of-choice for T53 fuel components worldwide.
In 2017, in addition to being recognized as an authorized Hammonds Fuel Additive distributor, SWFS added capabilities for the overhaul of a variety P&WC PT6A, PT6T and Rolls-Royce M250 Fuel Components to better support our 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 (USA), they hold a number of OEM distribution and representation agreements such as Honeywell’s Official T53 World Wide Spare Parts Distributor.
In addition to Southwest Fuel Systems, M International is the parent company of Keystone Turbine Services in Coatesville Pennsylvania; MINT Turbines in Stroud Oklahoma and Airborne Engines Limited located in Delta, B.C., Canada
Ralph Bishop, President of Southwest Fuels stated, “As a Triumph Authorized Engine and Control Maintenance Center for HMU’s, our goal is to provide faster turnaround for overhaul and exchange HMU’s along with a better price. This industry was ripe for a new support team, and Southwest Fuels accepts this challenge – let us address your next HMU need.”
The M250-C40/C47 Series engine incorporates a Full Authority Digital Electronic Fuel Control (FADEC) system which provides complete automatic control of the engine including temperature and speed limiting.
The FADEC system has two main components – one Electronic Control Unit (ECU) and one Hydromechanical Unit (HMU). The HMU is engine mounted and driven by the N1 gear train and includes a fuel metering unit and both a boost stage (high performance liquid ring) fuel pump and a main fuel pump (gear stage).
The following HMU’s are supported by SWF:
| ROLLS ROYCE ENGINE MODEL | AIRFRAME APPLICATION | |
| C40B | Bell 430 | |
| C47B | Bell 407/GX/GXP | |
| C47B/8 | Bell 407GXi | |
| C47M | MD600 |
About Southwest Fuel Systems: In March 2018, Southwest Fuel Systems, located in Tucson, Arizona (USA), will celebrate 10 years in business as a Triumph Authorized Engine Control Systems MRO center. Through its factory trained technicians with more than 75 years of combined experience, SWFS is recognized as the Honeywell Authorized Service Center provider-of-choice for T53 fuel components worldwide.
In 2017, in addition to being recognized as an authorized Hammonds Fuel Additive distributor, SWFS added capabilities for the overhaul of a variety P&WC PT6A, PT6T and Rolls-Royce M250 Fuel Components to better support our 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 (USA), they hold a number of OEM distribution and representation agreements such as Honeywell’s Official T53 World Wide Spare Parts Distributor.
In addition to Southwest Fuel Systems, M International is the parent company of Keystone Turbine Services in Coatesville Pennsylvania; MINT Turbines in Stroud Oklahoma and Airborne Engines Limited located in Delta, B.C., Canada
See also |
Allison 250
Helicopters Engines KTS
Keystone Turbine Services State of Pennsylvania 
