2 ms·
There wouldn't be a sensor disagree message because there was only one AOA sensor, prone to failure, with no redundancy.
by pilsetnieks 7y ago
There wouldn't be a sensor disagree message because there was only one AOA sensor, prone to failure, with no redundancy.
- paulclinger 7y agoMCAS was only using data from one of the AOA sensors (picked during restart), but two were still present, so sensor disagree light/message (when available) would show disagreement between the sensors.
- simion314 7y agoAnd Boeing decided to make it an optional paid feature, though I am not sure if it was added later by request from airlines or they designed it like this.