Just noticed on ADSB exchange that an RAF E3-CF Sentry ZH103 is squawking 7700 a MAYDAY currently East of Nottingham, close to it`s base at RAF Waddington at 8500ft. (1812)
Might be an ADSB error or perhaps a simulation ?
UPDATE now down to 2800ft,Scampton and Conningsby are also nearby.(1835)
UPDATE UPDATE landed (1843)