actuators and computer hardware and software for all types of civil or military aircraft or helicopters, used to operate flight surfaces, hydraulics, thrust reversers, nozzle controllers for power plant engines, freight loading doors, cargo hatches, cargo door actuators, landing gear latches, retractors and hydraulic and electromechanical winches; and electronic systems comprised of analog and digital computers for servo-loop control of actuators, command signal sensors and interface electronics, namely, interface computer hardware to elaborate input commands for the above servo systems, electronic monitoring and safety circuits, feedback signal sensors for closed loop operation of servo actuators, power electronics, namely, computer hardware to operate servo-motor drives in open and closed loop actuation systems used to operate actuators in closed loop positioning systems, monitor the proper functioning of actuators in safety critical applications, perform internal test routines to check the status of the actuators and the control loop, and provide other systems with appropriate information about the internal systems status for the above-mentioned actuators

pneumatic systems comprised of cooling pack, air cycle machine, heat exchanger, condenser, water separation device, water injector, electrical and pneumatic control valves, check valves, temperature controller, pressure controller, flow sensor, RAM door actuator, and pipes used to supply an adequate quantity of conditioned air to the pressurized fuselage for ventilation, temperature control and pressurization; heater units, pressurization units, ventilation units, de-icing systems comprised of anti-icing valve, outflow valve, overheat sensor, reheater, pressure sensor, pressure switch, duct overheat sensor, air humidification units, and air conditioners

landing gear systems for aircraft comprised of complete nose and/or main landing gears for any type of civil or military aircraft or helicopter, comprised of struts, oleos or shock absorbers, drag braces, down locks, up locks, retraction actuators, steering actuators, and steering control systems for landing gears comprised of hydraulic steering valve manifolds, steering control computers and associated cockpit display panels and sensors; electric steering feedback monitors and landing gear computers and associated cockpit control panels, and landing gear door hydraulic actuators, for aircraft braking systems

aircraft repair and maintenance services for others