Airbus Wiki

"The company produces and markets the first commercially viable digital fly-by-wire airliner, the Airbus A320"

Fly by wire, die by wire.

Airbus A321 is part of the A320 series:

"The company produces and markets the first commercially viable digital fly-by-wire airliner, the Airbus A320,[8][9] and the world's largest passenger airliner"

Fly-by-wire, die by fire.