Extended Operations (ETOPS) refers to the standards and recommended practices for aircraft including which wide-body twin-engine jet airliner that can typically seat 266 passengers?
ETOPS:  It refers to the standards and recommended practices (SARPS) issued by ICAO for aircraft (such as the Airbus A300, A310, A320, A330 and A350, the Boeing 737, 757, 767, 777, 787, the Embraer E-Jets, and the ATR 72) to fly long-distance routes that had been off-limits to twin-engined aircraft, and subsequently to extended range operations of four-engined aircraft (such as the Boeing 747-8 Intercontinental). Airbus A300:  The A300 can typically seat 266 passengers in a two-class layout, with a maximum range of 4070 nmi when fully loaded, depending on model.
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