The BMA Viscount crash at MAN was a positioning flight (so no pax, but with cabin crew) being used as a training flight. Mis-handled EFATO resulted in the aeroplane rolling inverted. Both flight crew and one stewardess killed, the other stewardess (sitting near the back) survived.
BA used to do line training on Concorde at Shannon and Prestwick, among other places.
I remember back inthe late '80s a KLM A330 (I think) bashing the circuit at MAN one Saturday afternoon for several hours, passing downwind over Wilmslow every second circuit (the alternate circuits were RH off 24). Bit busy these days at MAN for that!