Concorde didn’t use afterburner during cruise. There’s a lot of discussion from pilots and engineers in a long thread https://www.pprune.org/tech-log/423988-co

Concorde didn’t use afterburner during cruise. There’s a lot of discussion from pilots and engineers in a long thread https://www.pprune.org/tech-log/423988-concorde-question-7.html https://www.pprune.org/tech-log/423988-concorde-question-7.h... describing the actual flight profile.