Sharing their name with Sunderland's premiership side, the Black Cats are a favourite display team at the air show.
The name is derived from the Lynx Wildcat of Naval Air Squadron's badge and also the naval slag 'Black Catting', which mean to do something better than someone else.
The RAF display team the Red Arrows wowed spectators on the opening night at the Sunderland Airshow.
Northumbria Police say there are delays on roads leading to the Sunderland Airshow.
The A184 and A1231 are experiencing particular congestion.
Nearly a million people are expected to attend this weekend's Sunderland Airshow. Find out how to get to the action here.Read the full story ›