Trislander
...Well that's a good one I had not thought of. So far I've found the LET L420 , the Harbin Y-12IV , and the rare to find Panda Air Corp Twin Panda. The twin panda is really interesting in that it's a canadian upgraded Y-12IV with uprated PT-6-34 engines and a full western avionics fit thoughout. It was specfically built to replace the dwindling but white hot Twin Otter fleet......But Thanks for the idea of the Islander and Trislander Seacue..I'll have a good look at them too....