A control system for a rescue hoist attached to an aircraft, comprising: a first bus extending between a control module of the rescue hoist and a control input device; and a second bus extending between the control module of the rescue hoist and the control input device, wherein the first bus is configured to transmit a first signal from the control input device to the control module and the second bus is configured to transmit a second signal from the control input device to the control module, both the first signal and the second signal being generated by the control input device in response to a manipulation of the control input device; wherein the control module is configured to compare the first signal against the second signal; wherein the control module is configured to respond to a command signal generated by the control input device, the command signal embodied in the first signal and the second signal, when the control module determines the first signal is the same as the second signal; and wherein the control module is configured to not respond to the command signal generated by the control input device when the control module determines the first signal is not the same as the second signal. a first bus extending between a control module of the rescue hoist and a control input device; and a second bus extending between the control module of the rescue hoist and the control input device, wherein the first bus is configured to transmit a first signal from the control input device to the control module and the second bus is configured to transmit a second signal from the control input device to the control module, both the first signal and the second signal being generated by the control input device in response to a manipulation of the control input device; wherein the control module is configured to compare the first signal against the second signal; wherein the control module is configured to respond to a command signal generated by the control input device, the command signal embodied in the first signal and the second signal, when the control module determines the first signal is the same as the second signal; and wherein the control module is configured to not respond to the command signal generated by the control input device when the control module determines the first signal is not the same as the second signal. control input device, wherein the first bus is configured to transmit a first signal from the control input device to the control module and the second bus is configured to transmit a second signal from the control input device to the control module, both the first signal and the second signal being generated by the control input device in response to a manipulation of the control input device; wherein the control module is configured to compare the first signal against the second signal; wherein the control module is configured to respond to a command signal generated by the control input device, the command signal embodied in the first signal and the second signal, when the control module determines the first signal is the same as the second signal; and wherein the control module is configured to not respond to the command signal generated by the control input device when the control module determines the first signal is not the same as the second signal.