An air data system and method for a ducted fan air-vehicle is described. A drive motor moves the media past the access head. The cable includes video processing capabilities. In one version, the deposited coating has a nominal composition, in weight percent, of about 3. If the gas is at an improper insufflation temperature the temperature of the gas can be brought to the proper insufflation temperature at the same time the gas is humidified through heat transfer through the barrier.