A system configured in a wired and a wireless network topology to monitor observable conditions incurred during operation of a rotorcraft, the system comprising: at least one wireless concentrator unit; at least one wireless sensor unit located in the rotorcraft, the at least one wireless sensor unit configured to send sensed data to the at least one wireless concentrator unit over a wireless connection by a wireless communication protocol; at least one first sensor located in the rotorcraft in proximity to at least one first set of rotating blades of the rotorcraft, the at least one first sensor configured to send sensed data of a first observable condition due to the at least one first set of rotating blades wherein the sensed data is sent from the at least one first sensor to the at least one wireless sensor unit by a wired communication protocol over a wired connection; and a monitoring system configured to send a request in accordance with the wired communication protocol over a wired connection to the at least one wireless concentrator unit wherein the at least one wireless concentrator unit is configured for receipt of the request in the wired communication protocol and configured to transmit the request over the wireless connection by the wireless communication protocol to the wireless sensor unit, wherein, in response to receiving the request, the wireless sensor unit is configured to monitor sensed data received from the at least one first sensor over a wired connection and temporarily store the monitored sensed data, wherein the wireless concentrator unit is configured to send a request for stored sensed data according to the wireless communication protocol and the wireless sensor unit is configured to receive the request and in response to transmit the stored sensed data to the wireless concentrator unit according to the wireless communication protocol, wherein the wireless concentrator unit is configured to receive the transmitted stored sensed data and configured to transmit the data to the monitoring system the system further comprising at least one second sensor in proximity to at least one second set of rotating blades of the rotorcraft wherein the at least one second sensor is configured to send sensed data of a second observable condition due to the at least one second set of rotating blades over a wired connection to the at least one wireless concentrator unit by the wired communication protocol, wherein the wireless concentrator unit is configured to receive the transmitted stored sensed data of the first observable condition, configured to package the transmitted stored sensed data of the first observable condition with a stored sensed data from the at least one second sensor, and configured to transmit the packaged data to the monitoring system. at least one wireless concentrator unit; at least one wireless sensor unit located in the rotorcraft, the at least one wireless sensor unit configured to send sensed data to the at least one wireless concentrator unit over a wireless connection by a wireless communication protocol; at least one first sensor located in the rotorcraft in proximity to at least one first set of rotating blades of the rotorcraft, the at least one first sensor configured to send sensed data of a first observable condition due to the at least one first set of rotating blades wherein the sensed data is sent from the at least one first sensor to the at least one wireless sensor unit by a wired communication protocol over a wired connection; and a monitoring system configured to send a request in accordance with the wired communication protocol over a wired connection to the at least one wireless concentrator unit wherein the at least one wireless concentrator unit is configured for receipt of the request in the wired communication protocol and configured to transmit the request over the wireless connection by the wireless communication protocol to the wireless sensor unit, wherein, in response to receiving the request, the wireless sensor unit is configured to monitor sensed data received from the at least one first sensor over a wired connection and temporarily store the monitored sensed data, wherein the wireless concentrator unit is configured to send a request for stored sensed data according to the wireless communication protocol and the wireless sensor unit is configured to receive the request and in response to transmit the stored sensed data to the wireless concentrator unit according to the wireless communication protocol, wherein the wireless concentrator unit is configured to receive the transmitted stored sensed data and configured to transmit the data to the monitoring system the system further comprising at least one second sensor in proximity to at least one second set of rotating blades of the rotorcraft wherein the at least one second sensor is configured to send sensed data of a second observable condition due to the at least one second set of rotating blades over a wired connection to the at least one wireless concentrator unit by the wired communication protocol, wherein the wireless concentrator unit is configured to receive the transmitted stored sensed data of the first observable condition, configured to package the transmitted stored sensed data of the first observable condition with a stored sensed data from the at least one second sensor, and configured to transmit the packaged data to the monitoring system.