A triplex pneumatic architecture system comprising: a first pneumatic subsystem to control a first pneumatic actuation assembly, the first pneumatic subsystem comprising a first dump valve and a first processor; a second pneumatic subsystem to control a second pneumatic actuation assembly, the second pneumatic subsystem comprising a second dump valve and a second processor; a third pneumatic subsystem to control a third pneumatic actuation assembly, the third pneumatic subsystem comprising a third dump valve and a third processor; characterised in that the first pneumatic subsystem further comprises a first current sensor to measure a control current from a first servo drive to a first servo valve to output a first measured current value, and a first relay coupled to the first dump valve, wherein the first processor is configured to generate a termination signal to actuate the first relay to open the first dump valve; the second pneumatic subsystem further comprises a second current sensor to measure a control current from a second servo drive to a second servo valve to output a second measured current value, and a second relay coupled to the second dump valve, wherein the second processor is configured to generate a termination signal to actuate the second relay to open the second dump valve; the third pneumatic subsystem further comprising a third current sensor to measure a control current from a third servo drive to a third servo valve to output a third measured current value, and a third relay connected to the third dump valve, wherein the third processor is configured to generate a termination signal to actuate the third relay to open the third dump valve; and the triplex pneumatic architecture system further comprises a communication bus to communicatively couple each of the first, second, and third pneumatic subsystems (500a, 500b, 500c) wherein each of the first processor, the second processor, and the third processor is configured to generate the termination signal and to communicate the termination signal to the first relay when the first measured current value deviates from the second and third measured current values by a predetermined error value. a first pneumatic subsystem to control a first pneumatic actuation assembly, the first pneumatic subsystem comprising a first dump valve and a first processor; a second pneumatic subsystem to control a second pneumatic actuation assembly, the second pneumatic subsystem comprising a second dump valve and a second processor; a third pneumatic subsystem to control a third pneumatic actuation assembly, the third pneumatic subsystem comprising a third dump valve and a third processor; characterised in that the first pneumatic subsystem further comprises a first current sensor to measure a control current from a first servo drive to a first servo valve to output a first measured current value, and a first relay coupled to the first dump valve, wherein the first processor is configured to generate a termination signal to actuate the first relay to open the first dump valve; the second pneumatic subsystem further comprises a second current sensor to measure a control current from a second servo drive to a second servo valve to output a second measured current value, and a second relay coupled to the second dump valve, wherein the second processor is configured to generate a termination signal to actuate the second relay to open the second dump valve; the third pneumatic subsystem further comprising a third current sensor to measure a control current from a third servo drive to a third servo valve to output a third measured current value, and a third relay connected to the third dump valve, wherein the third processor is configured to generate a termination signal to actuate the third relay to open the third dump valve; and the triplex pneumatic architecture system further comprises a communication bus to communicatively couple each of the first, second, and third pneumatic subsystems (500a, 500b, 500c) wherein each of the first processor, the second processor, and the third processor is configured to generate the termination signal and to communicate the termination signal to the first relay when the first measured current value deviates from the second and third measured current values by a predetermined error value.