Simplify the following text for a Grade 7 native English-speaking person.
Original: The Boeing 767 is a mid-size wide-body twin-engine airliner produced by Boeing Commercial Airplanes .
Simplified: The Boeing 767 is a passenger airplane manufactured by Boeing . The Boeing 767 is Boeing 's smallest widebody ( an aircraft which has two aisles ) , larger than the Boeing 757 but smaller than the 777 .