ARINC 717
Standard for digital flight data recorders From Wikipedia, the free encyclopedia
ARINC 717 defines a digital flight data recorder, with its inputs and outputs. It replaces the older ARINC 573 characteristic, which was based on analog inputs. It allows for more data and real-time recording.[1]
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Digital Expandable Flight Data Acquisition and Recording System (DEFDARS) flight recorder output signals include the following:
- Primary Output – ARINC 717 Harvard biphase encoding
- Auxiliary Output – ARINC 429 (DITS) bi-polar encoding
ARINC 747 defines an alternate solid state recorder that can be used with an ARINC 717 installation.[2]
DEFDARS includes the following component functions
- Digital Flight Acquisition Unit (DFAU)
- Digital Flight Data Recorder (DFDR)
- Accelerometer
- Flight Data Entry Panel (optional) for entry of flight data
History
- Started in 1979.
- Last revision, -15, June 6, 2011[3]
References
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