Also from: Flight Warning Computer
The 2 FWCs get system data from the aircraft system sensors to generate red warnings, and from the 2 SDACs to generate amber cautions. This is then fed to the DMCs for the display of alert messages, the attention-getters, and the loudspeakers.
| Level 3 | Red Warning | Master Warning, continuous repetitive chime | direct from system sensors |
| Level 2 | Amber Caution | Master Caution, chime | from SDACs |
| Level 1 | Amber Caution | Master Caution | from SDACs |
| Single failure | caution message on E/WD |
| FWC 1 failure | lower part of captain's master warning/caution indicators enabled, upper part of first officer's |
| FWC 2 failure | upper part of captain's master warning/caution indicators enabled, lower part of first officer's |
| Dual failure | - no ECAM warnings or cautions, aural warnings, or master warning or caution lights are available
- note that the overhead panel lights are available |
Categories: Airbus A330 | Indicating/Recording Systems
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