Commercial Jet Airliners

de Havilland Comet

1952

1. There were 5 different design ideas for the Comet.
2. It had a quiet and comfortable cabin.
3. There were 4 versions of the Comet. https://en.wikipedia.org/wiki/De_Havilland_Comet

Boeing 737

1967

1. They are produced in Renton, Washington.
2. Lufthansa was the first airline to use the 737.
3. Southwest is the primary user of the 737. https://en.wikipedia.org/wiki/Boeing_737

Boeing 747

1968

1. It was the first plane to be called a jumbo jet.
2. It has 4 engines.
3. The most common variant is the 747-400. https://www.alternativeairlines.com/boeing-747

Airbus A320/321

1984

1. The wingspan of the A321neo is 35.8 meters.
2. The A321XLR can fly up to 4,700 nautical miles.
3. The A320 was the first plane to have fly-by-wire controls. https://aircraft.airbus.com/en/aircraft/a320-the-most-successful-aircraft-family-ever

Boeing 777

1994

1. It is also called the triple seven.
2. There are 6 wheels on each of the back landing gear
3. The first airline to use it was United Airlines. https://en.wikipedia.org/wiki/Boeing_777