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Air Data Equipment

Air tells us so much

To fly an airplane, you need certain data related to the atmosphere. Such air data include total pressure of the airflow measured by Pitot tubes, static pressure of the ambient air by static ports (or both pressures by Pitot-static tubes), total temperature (that is higher than the actual air temperature due to friction and adiabatic compression) by TAT sensors, and angle of attack (i.e. angle between the airfoil and the airflow) by AoA sensors. These data are sent to air data computers (ADCs).
An ADC makes corrections to the input data and figures out additional air data, such as barometric altitude, rate of climb, airspeed, Mach number, and static temperature (the ambient air temperature). These air data are sent to many other onboard devices and used for instrument display, flight control and navigation.
エアデータ機器とは

Long and successful track record

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ALFLEX test plane descending from 1,500m high to the runway of Woomera Airfield in Australia

 

Our specialty Pitot-static tube (left) and ADC on ALFLEX test plane