I need a break so I decided to quickly look this over.

21 across GNU ( I certainly should know that)
28 across PERTH (as all the Regent World Cruisers know)
47 across JR (I should know that)
52 across PP
84 across CH
96 across EZE
98 across KUNA

Got to stop there my email is building up.

A great fun break Dribs THANK YOU.