ARINC 717 defines a digital flight data recorder, with its inputs and outputs. It replaces the older

ARINC 573 ARINC 573 is an avionics data bus standard developed by ARINC. It is mostly used with Flight Data Recorder that use 12bit words in continuous data stream encoded in Harvard biphase. See also * ARINC 717 ARINC 717 defines a digital flight da ...

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 The device may often be referred to as a "black box", an outdated name which has b ...

output signals include the following: # Primary Output – ARINC 717

Harvard biphase Harvard biphase is a magnetic run length code for encoding magnetic tape. It is one of the formats employed in forming the digital bits of logic one and logic zero, along with non-return-to-zero (NRZ) and bipolar-return-to-zero (RZ) formats. Eac ...

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 Aeronautical Radio, Incorporated (ARINC), established in 1929, was a major provider of transport communications and systems engineering solutions for eight industries: aviation, airports, defense, government, healthcare, networks, security, and t ...

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