bangaladore 3 days ago

I'm not sure. In the case of 4 engines, it may be 2 is how they certify it. Specifically I think the case where both engines on the same wing fail (as the worst case other that losing 3)

asdfaoeu 3 days ago

The rating is taking into consideration that it has 4 engines. The term is just confusing because it used to only apply to twin engine aircraft.