СН-4312-02 equipment is intended for aircraft handling as a part of aircraft avionics system in all flight stages, including non-precision approaches.



СН-4312-02 provides problem solving of navigation, planning, trajectory prediction, aircraft equipment control and air navigation process control using P‑RNAV requirements with RNP 0.3, RNP 1, RNP 5 accuracy.

Basic modes of navigation parameter determination: SNS, SNS SBAS, SNS GBAS, IS/ADS (Inertial System/ Air Data System), DME/DME, VOR/DME.

СН-4312 provides a joint operation with user and aeronavigation by databases, automated control of interactive systems, performing of  SID/STAR/ APPROACH procedures, categories 1, APV2, APV1

landing in differential mode.

СН-4312 equipment meets the requirements of the following documents: КТ-34-01 (class A1, B1, С1), TCO-C129A, КТ-178В, 9613- AN/937, JAA TGL-10.


24-channel receiver  GPS/GLONASS/SBAS.

data recovery 10 Hz

Display:          color LCD,

                           display format 78.7×53.6mm

User database:  1000 WPT and 90 routes

Operating temperatures:

  • AU (antenna unit): from – 55°C tо + 70°C
  • RICU (receiver-indicator and control unit): from – 20°C tо + 55°C
  • UPS (uninterruptible power supply) from – 20°C tо + 55°C

Supply voltage:  + 27 V

Power consumption: no more than  20 W

Dimensions: RICU              181х87х252  mm
UPS                 160х173х52 mm

AU according to  ARINC 743A-4

Weight:    RICU:           no more than 2.5 kg
UPS              no more than 1.1 kg                      

                    AU:               no more than 0.31 kg

Digital interfaces:

  • ARINC 429-8 inputs/4 utputs;    1PPS – 1 channel.
  • Analog interfaces:
  • Output (±10 V) –   1channel;
  • current outputs (± 150 mV) – 3 channels.