The new Boeing 777-300ER has exceeded all ETOPS certification tests, proving the superior reliability of the airplane and its two General Electric engines. The aircraft made 38 flights totaling 267 flight hours during testing, so to prove that it was ready for long-haul routes. During 8 separate tests one of the two GE90-115B engine was turned off; the longest such test lasted 6 hours and 29 minutes...