(27 Aug 2017, 1:43 pm)Tom wrote Searching flickr most of them have been on the Prince Bishops at some point?
A big chunk of Solars across the fleet were done in or around Sept 14.
https://cbwmagazine.com/go-north-east-up...echnology/
These included the purple Solars.
Anything prior to then were upgrades to Euro 3 (if I remember correctly).