There was a TV programme about Edward Hulton and the Sunderland - cannot remember the title at the moment but I am fairly sure we have it on DVD if not already on youtoob.
I will have a look for it tomorrow if it has not already been linked to.
Last time I saw her flying was just before she went to the states - I was driving up the A3 when I noticed a rotund shape in the rear view,I checked and it wasn't me
- so I stopped the car and got out to watch and listen as she rumbled past.
The only other time I saw a Sunderland fly was when Charles Blair brought one of his a/c over in 1976/77 ish and he did a low pass along the main ramp at Brawdy
Lovely to see/ hear