Not yet, but.
Best one was on a flight out to Preveza from the UK. Completely smooth flight, and had asked for a cockpit visit for the kids - then about ten and five.
So, up we go, just descending over the Italian coast, pointing out the geography.
Sudden CAT, drivers suggest return to seats.
So we do, as CAT disappears.
Absolutely brilliant, apologising to each row as we passed.