Message Name:

AOA 1 (2)

Either flag or may be posted on the PFD indicating the common source for the low speed awareness cue.

• One channel has failed and the low speed awareness tape is being driven by the available channel with the identifying one source without redundancy is being used for Low Speed Awareness.

• None

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

None

1. The Stall Protection System provides AOA based flight data over ARINC 429 bus to the IOC's Channel A, the pilots channel goes to the left IOC, and channel B goes to the right IOC. The IOCs process the information and send it to the PFD for Low Speed Awareness - stall warning speed (VSW) ratio.
2. One channel has failed and the low speed awareness tape is being driven by the available channel with the identifying one source without redundancy is being used for Low Speed Awareness.