American airframer Boeing has received 330-minute Extended Operations approval from the U.S. Federal Aviation Administration (FAA) for the Boeing 747-8 Intercontinental. It is the first time a four-engine airplane has received this type of design approval. Extended-range Twin-engine Operational Performance Standards (ETOPS) has been a requirement for twin-engine airplanes since the 1980s, the regulations have recently been applied to the …

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