AH-64 Apache Helicopter : Triumph Fabrications - St. Louis

Engine Nose Gearbox New Manufacture, Overhaul and Testing: 
AH-64 Engine Nose Gearboxes new manufactured, overhauled and upgraded by Triumph Fabrications - St. Louis comply with the requirements of Aeronautical Design Standard Handbook (ADS-39A-HDBK) for 200 hour Endurance Qualification Testing and The Boeing Company EPB 30-172 and AMCOM DMWR 1-3010-204 requirements for production performance Acceptance Bench Testing.

Pylon Actuator Overhaul and Testing: 
AH-64 Pylon Actuators overhauled and upgraded by Triumph Fabrications - St. Louis comply with the functional test requirements of AMCOM DMWR 1-1650-417.

Intermediate and Tail Rotor Gearboxes New Manufacture, Overhaul and Testing:
AH-64 Intermediate and Tail Rotor Gearboxes manufactured, overhauled and upgraded by Triumph Fabrications - St. Louis comply with the requirements of Aeronautical Design Standard Handbook (ADS-39A-HDBK) for 200 hour Endurance Qualification Testing and The Boeing Company EPB 30-174 and AMCOM DMWR 1-1615-301 and DMWR 1-1615-302 requirements for production performance Acceptance Bench Testing.