Planes by Wikipedia description

Developed to supplement the Boeing 727 on short and thin routes, the twinjet retained the 707 fuselage width and six abreast seating but with two underwing turbofans instead of four.

The only trijet aircraft to be produced by Boeing

The then-named 7N7, a twinjet successor for the trijet 727, received its first orders in August 1978.

Boeing's first wide-body twinjet, powered by General Electric CF6, Rolls-Royce RB211, or Pratt & Whitney JT9D turbofans

shares many underpinnings with the airframe of the early A340 variants, most notably the same fuselage and wing components

Airbus's first production aircraft and the world's first twin-engine, double-aisle (wide-body) airliner

a twin-aisle passenger airliner that was the first long-range Airbus,[67] powered by four turbofan jet engines.

It is the first airliner with an airframe primarily made of composite materials and makes greater use of electrical systems.

first of the Bombardier CRJ family.

stretched freighter version of the Fokker 50

on 27 October 1989, Finnish airline Finnair became the first airline to introduce the aircraft into service