4 ms·
There's correlation involved with other factors however. If I'm not mistaken, things like maintenance are relatively easier (and cheaper) on a 2 engine aircraft
by apta 7y ago
There's correlation involved with other factors however. If I'm not mistaken, things like maintenance are relatively easier (and cheaper) on a 2 engine aircraft compared to a 4 engine aircraft. So we cannot consider failure rates as an abstract measure.
- jfim 7y agoI agree, and it's also very unlikely that engine failures are independent, since they're the same model, coming from the same manufacturer, and the same maintenance procedures. There's probably less drag from two engines than four as well.
- WalterBright 7y agoEven if two engines have the same defect, it's highly unlikely they'd both fail on the same flight.