A330 Vacbi Cbt 23 — Airbus

Your SATCOM fails enroute. The FMS alert "VOICE SATCOM FAIL" appears. According to the FCOM, which backup system is automatically assigned to the Pilot’s audio selector panel?

(Correct Answer: B – HF 2, per A330 QRH procedures for SATCOM failure.) Airbus A330 VACBI CBT 23

The Communications system (ATA 23) on the Airbus A330 allows the crew to communicate internally (interphone), externally (with Air Traffic Control and ground crews), and provides entertainment systems for passengers. The system is highly integrated with the Electronic Instrument System (EIS) and the Air Traffic and Information Management System (ATIMS). Your SATCOM fails enroute

While often viewed as a cabin system, CIDS integrates with the flight deck. The CBT covers: (Correct Answer: B – HF 2, per A330

Veteran instructors note that a common failing point in CBT 23 involves the DCDU (Datalink Control and Display Unit). The simulation frequently asks: "If you receive a CPDLC message while transmitting on VHF1, is the message buffered or lost?" The correct answer (buffered on the A330) is counterintuitive to pilots coming from Boeing aircraft.

  • Cockpit call types:
  • | Action | System Response | |--------|------------------| | Select VHF1 on ACP, key R/T | Green TX indicator, voice transmitted on VHF1 | | Receive SELCAL call | Aural chime, SELCAL light on ACP, reset via pushbutton | | Enter ACARS message via MCDU | ATSU queues and transmits via VDL Mode 2 | | Test CVR (on ground) | All 4 channels confirmed via headset test button |