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Emergency-operational flight data acquisition and recording system KARAT-B-29K-02

Provides with data receiving and processing, incoming through digital, analog and discrete communication lines from aircraft systems, airplane speaking device, its registration to solid-state recorder and storage in case of flight accident. Flight data processing is performed by ground system.

The system can be adapted to any airplane by means of building-up of inputs, outputs number and productivity increasing of computing facilities.

Emergency-operational flight data acquisition and recording system KARAT-B-29K-02
Emergency-operational flight data acquisition and recording system KARAT-B-29K-02
Ground system KARAT-N
Ground system KARAT-N

KARAT-B-29K-02 combines functions of emergency recorder, voice data recording system, aircraft automatized control system.


  • Parametric data recording – within 25 hours.
  • Voice data recording – within 6 hours.
  • Protected memory capacity – 1 GB.
  • Built-in control.
  • MTBF – 5000 h.
  • Power consumption – less than 40 W.
  • Mass – less than 20 kg.

Under servicing of KARAT-B-29K-02 by ground processing system, the following is provided:

  • flight data readout and transmission to ground data processing system;
  • carrying put of technological and calibration works on the object;
  • flight data express analysis;
  • voice data reproduction;
  • deep test-control of Karat-B-29K-02 system as a part of airplane;
  • monitoring of data acquisition and processing in real-time mode;
  • preparation of calibration characteristics file and its saving in memory of Karat-B-29K-02 system;
  • recorded flight data rewriting to ground equipment, its automatic processing and analysis;
  • documenting of data processing results.
  • receiving of diagnostics results of engine and airframe by specified algorithms.

Composition of KARAT-B-29K-02:

  • Data acquisition and processing unit BSOI-29K-02.
  • Multifunctional protected aircraft parametric and voice data recorder ZBN-MR1D, including protected memory module.
  • Operational aircraft recorder EBN-1KD.

Data acquisition and processing unit BSOI-29K-02


Provides with:

  • data receiving and processing, incoming:
    – through communication lines by international standard — 2 channels;
    – through communication lines ARINC-429 – 16 channels;
    – from off-line sensors in the form of one-time signals – 165 inputs;
    – from off-line sensors in the form of analog signals – 112 inputs;
  • control commands forming – 38 outputs;
  • performance of flight and ground control algorithms;
  • on-board aircraft performance limitations (APL) processing with releasing of results to MFCI of the object;
  • data release through communication lines ARINC-429 – 4 channels.

Multifunctional protected aircraft parametric and voice data recorder ZBN-MR1D


Provides with receiving of:

  • voice data through 2 channels (one of them is wide-band);
  • parametric data in accordance with ARINC-717 (747);
  • other data, incoming through RS422F channel.

Protected memory module capacity up to 1 GB.

Data readout is performed through Ethernet channel.

Extreme impacts in accordance with international standard:

  • shocking overloads up to 3400 g;
  • temperature up to 1100° C within 60 min;
  • temperature up to 260° C within 10 hours;
  • static load up to 2270 kg,
  • penetration (a tip of diameter 6,35 mm, fall of weight 227 kg from 3 m height);
  • sea water 6000 m within 30 days.

Operational aircraft recorder EBN-1KD


Provides with data rewriting from ZBN and BSOI to unprotected flash-card.

  • Readout interface – Ethernet.
  • Memory capacity of the card from 1 GB.

KARAT-B-29K-02 interacts with ground processing system IDS “Dozor” and ARM TSV, received for operation.

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