Digital Flight Data Recorder
|Term||Digital Flight Data Recorder|
Flight Data Acquisition Unit (FDAU)
a recording device that utilizes a digital method to record and store data onto a storage medium and to retrieve that data from the medium. A DFDR may be the storage device in a recording system that includes a DFDAU or a FDAU. Or, it may be a stand-alone device using an internal data collection system to convert aircraft analog and discrete signals to digital form.
FAA (1999) Advisory Circular 20-141, AIRWORTHINESS AND OPERATIONAL APPROVAL OF DIGITAL FLIGHT DATA RECORDER SYSTEMS