Why the Boeing 777-9's Most Important Routes Hinge on Critical ETOPS Certification
The Boeing 777-9, the world's largest twin-engine jet, cannot yet operate its most crucial long-haul routes. This is because it lacks the necessary Extended-range Twin-engine Operational Performance Standards (ETOPS) certification. This certification is essential for twinjets to fly extended periods over large bodies of water, like the Atlantic or Pacific, far from diversion airports. Without ETOPS approval, the aircraft would be restricted to routes that hug coastlines, defeating its purpose as an intercontinental airliner. While a standard step for any new twin-engine aircraft, securing this certification is a critical milestone before the 777-9 can enter service with its airline customers.
Official Source: https://simpleflying.com/why-boeing-777-9-cant-fly-most-important-routes-without-certification/
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