I just finished a flight where the following happened to me twice: Constant (not a beep, but continuous) tone that sounds very much like an alert. Neither Master Warning nor Master Caution lights are illuminated. Upper ECAM display shows no alert messages. Pressing Master Caution acknowledge butto…

Phantom Master Warning tone

CVA371 February 26, 2021, 2:43pm 8

I think it’s only about 500’, ATC wouldn’t notice this, the “Master Warning” cancels the sound.