Glofish, more like envious twin operators/manufacturers...
Capn, who exactly would that be? Showing compliance with the new 4 engine ETOPS regs is going to cost both Brands A and B millions.
No insight as to how Brand A plans to show compliance, but in the case of Brand B it's going to mean boring holes in the sky for hundreds of hours to show their four engine airplane operates just fine on three engines or other systems failures. It's not impossible to take credit for in-service experience, but it's very, very difficult.
New regulations cost money - often lots of it. Sometimes they improve safety. More often they just cost money.
