Flight Data Acquisition Unit

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Term Flight Data Acquisition Unit
Status


Mandatory for


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Categories
Synonyms


Related entries

Digital Flight Data Recorder (DFDR)

Digital Flight Data Acquisition Unit (DFDAU)

Broader term


Narrower term


Abbreviation

FDAU

Definition

an electronic device that collects, samples, conditions, and digitizes analog signals representing aircraft functions. The FDAU does not normally have the capability to condition digital signals. It provides data to the DFDR in a digital bit stream. See the definition for DFDAU. (See ARINC Characteristic 573.)

Definition Source

FAA (1999) Advisory Circular 20-141, AIRWORTHINESS AND OPERATIONAL APPROVAL OF DIGITAL FLIGHT DATA RECORDER SYSTEMS [1]

Note