Airbus a320 avionics compartment

Computers in the Avionics Compartment on the Shelf

Avionics Compartment

81VU

  • HF transceiver 1 (3RE1), if installed
  • ATC/Mode S transponder 1 (1SH1)
  • DME interrogator 1 (2SD1)
  • VOR/MKR receiver 1 (3RS1)
  • VHF transceivers 3 and 1 (1RC3, 1RC1)
  • AMU (1RN)
  • ADF receiver 1 (2RP1)
  • ATSU (1TX1)

82VU

  • ADF receiver 2 (2RP2), if installed
  • VHF transceiver 2 (1RC2)
  • VOR/MKR receiver 2 (3RS2)
  • DME interrogator 2 (2SD2)
  • ATC/Mode S transponder 2 (1SH2)
  • TCAS computer (1SG), if installed
  • HF transceiver 2 (3RE2), if installed
  • ACARS Management Unit (MU) (1RB), if installed

83VU

  • ELAC 1 (2CE1)
  • SEC 1 (1CE1)
  • FCDC 1 (3CE1)
  • FMGC 1 (1CA1)
  • FAC 1 (1CC1)

84VU

  • FAC 2 (1CC2)
  • FMGC 2 (1CA2)
  • FCDC 2 (3CE2)
  • SEC 2 (1CE2)
  • ELAC 2 (2CE2)

85VU

  • SFCC 1 (21CV)
  • EIU1 (1KS1)
  • DMC 1 and DMC 3 (1WT1, 1WT3)
  • FWC 1 (1WW1)
  • SDAC 1 (1WV1)

86VU

  • SDAC 2 (1WV2)
  • FWC 2 (1WW2)
  • DMC 2 (1WT2)
  • EIU 2 (1KS2)
  • EVMU (2EV)
  • SFCC 2 (22CV)

87VU

  • Flight Data Interface Unit (FDIU) (2TU), if installed.
  • Quick Access Recorder (QAR) (3TU), if installed.
  • Data Management Unit (DMU) (1TV), if installed.
  • Centralized Fault Display Interface Unit (CFDIU) (1TW)
  • Cabin Intercommunication Data System (CIDS) Director 1 (101RH)
  • Digital AIDS Recorder (DAR) (2TV), if installed.
  • Flight Data Interface and Management Unit (FDIMU) (10TV), if installed.
  • Avionics Equipment Ventilation Computer (AEVC) (10HQ), if installed.

88VU

  • Cabin Intercommunication Data System (CIDS) director 2 (102RH)
  • Avionics Equipment Ventilation Computer (AEVC) (10HQ), if installed.
  • Ground Proximity Warning Computer (GPWC) (1WZ), if installed.
  • announce/music tape reproducer (10RX), if installed.
  • Digital Interface Unit (DIU) (190MH), if installed.
  • Multiplexer (MUX) (8MK), if installed.
  • audio reproducer (10MK), if installed.
  • media server (170MH), if installed.
  • In-Flight Entertainment (IFE) controller (311MK), if installed.
  • In-Flight Entertainment (IFE) digital server-unit(s) (312MK and/or 317MK), if installed.
  • In-Flight Entertainment (IFE) server(s) (313MK and/or 314MK and/or 315MK), if installed.
  • Low Earth Orbit (LEO) Satellite Data Unit (SDU) (1005RV1), if installed.

91VU

  • GCU1 and the GCU2 (1XU1, 1XU2)
  • APU GCU (1XS), if installed.

92VU

  • FLSCU 1 and FLSCU 2 (7QJ, 9QJ)
  • FQIC (3QT)
  • GPCU (1XG)
  • GAPCU (24XG), if installed.

93VU

  • SEC 3 (1CE3)
  • LGCIU 1 (5GA1)

94VU

  • LGCIU 2 (5GA2)
  • SDCU (10WQ), if installed.
  • BSCU (10GG)
  • TIPS detection unit (2GV), if installed.
  • AFT cargo heat controller (10HC), if installed.

95VU

  • ILS Receiver 1 (2RT1)
  • Multi Mode Receiver 1 (40RT1)
  • BMC 1 (1HA1)
  • cabin pressure controller 1 (11HL) pack 1 temperature controller (47HH), if installed.

96VU

  • pack 2 temperature controller (57HH)
  • cabin pressure controller 2 (12HL)
  • BMC 2 (1HA2)
  • ILS Receiver 2 (2RT2) or Multi Mode Receiver 2 (40RT2)
  • AFT cargo heat controller (10HC)

109VU

  • Weather Radar transceivers 1 and 2 (1SQ1, 1SQ2), if installed.

ADIRU 1, ADIRU 2 and the ADIRU 3 (1FP1, 1FP2, 1FP3)

Cockpit

Main instrument panel 10VU:

  • Display units (2WT1, 2WT2, 3WT1, 3WT2, 4WT1, 4WT2)

Glareshield 13VU:

  • Flight Control Unit (FCU) (2CA)

Center Pedestal 11VU:

  • Multipurpose Control and Display Units (MCDUs) (3CA1 and 3CA2)

Left Console 101VU:

  • MCDU (3CA3) if installed.

A320 Computer Location – PDF

Disclaimer – for educational purposes only

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