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. Digital Expandable Flight Data Acquisition and Recording System (DEFDARS)

flight recorder A flight recorder is an electronic recording device placed in an aircraft for the purpose of facilitating the investigation of aviation accidents and incidents. The device may often be referred to as a "black box", an outdated name which has ...

output signals include the following: # Primary Output – ARINC 717 Harvard biphase encoding # Auxiliary Output –

ARINC 429 ARINC 429, "Mark33 Digital Information Transfer System (DITS)," is also known as the Aeronautical Radio INC. (ARINC) technical standard for the predominant avionics data bus used on most higher-end commercial and transport aircraft. It defines the ...

(DITS) bi-polar encoding ARINC 747 defines an alternate solid state recorder that can be used with an ARINC 717 installation. 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
ARINC 717 in SAE Standards store

References

ARINC standards {{Aviation-stub