2 ms·

> Target based metrics, be it budget targets or output targets, are too fragile to be useful in my opinion. The reported target in the 737 MAX case was that Bo

> Target based metrics, be it budget targets or output targets, are too fragile to be useful in my opinion. The reported target in the 737 MAX case was that Boeing had promised Southwest a $1 million penalty per plane if retraining was required. So both Boeing and Southwest created a perverse incentive to make the plane less safe. One or two airline accidents can close an airline, so I guarantee nobody at Southwest really wanted to make that deal in retrospect. Although Southwest didn't have any 737 MAX accidents and they paid for the deluxe MCAS instrument package, they were horrified to find out that what was delivered, what it was supposed to do, and what was documented were 3 different things. Source: commercially-rated pilot, followed MCAS fiasco daily. Search for "simulators" in the following link: https://www.forbes.com/sites/petercohan/2019/03/28/did-airbus-rivalry-drive-dangerous-tradeoffs-for-boeings-737-max/#408634eb2e18 https://www.forbes.com/sites/petercohan/2019/03/28/did-airbu...

inferiorhuman 7y ago
The reported target in the 737 MAX case was that Boeing had promised Southwest a $1 million penalty per plane if retraining was required. In context that's 1-2% of the sale price of a MAX (depending on discounts). It's plausible that retraining drove MCAS, but that seems unlikely to me. deluxe MCAS instrument package No such thing exists. The AoA annunciator was supposed to be active on all 737 MAX planes.
- phonon 7y ago
  The AoA Disagree Alert was "standard", the indicator was always (stupidly!) extra, and the Alert in fact (accidentally) was only active with the indicator add-on. https://boeing.mediaroom.com/news-releases-statements?item=130431 https://boeing.mediaroom.com/news-releases-statements?item=1... Both planes that crashed didn't have the optional add-on, so ended up not having the Alert either. https://arstechnica.com/information-technology/2019/03/boeing-sold-safety-feature-that-could-have-prevented-737-max-crashes-as-an-option/ https://arstechnica.com/information-technology/2019/03/boein...

inferiorhuman 7y ago

The reported target in the 737 MAX case was that Boeing had promised Southwest a $1 million penalty per plane if retraining was required. In context that's 1-2% of the sale price of a MAX (depending on discounts). It's plausible that retraining drove MCAS, but that seems unlikely to me. deluxe MCAS instrument package No such thing exists. The AoA annunciator was supposed to be active on all 737 MAX planes.

phonon 7y ago
The AoA Disagree Alert was "standard", the indicator was always (stupidly!) extra, and the Alert in fact (accidentally) was only active with the indicator add-on. https://boeing.mediaroom.com/news-releases-statements?item=130431 https://boeing.mediaroom.com/news-releases-statements?item=1... Both planes that crashed didn't have the optional add-on, so ended up not having the Alert either. https://arstechnica.com/information-technology/2019/03/boeing-sold-safety-feature-that-could-have-prevented-737-max-crashes-as-an-option/ https://arstechnica.com/information-technology/2019/03/boein...