| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | de havilland comet | Aviation Enthusiasts | Revolutionized commercial aviation as the world's first jet airliner | 1 |
| 2 | de havilland comet | aviation enthusiasts | First commercial jet airliner, revolutionized air travel in the 1950s | 1 |
| 3 | de havilland comet | aviation enthusiasts | The de Havilland Comet is known as the world's first commercial jet airliner, revolutionizing air travel. | 1 |