I think Tropical is a ridiculous mistake of an airline. They arranged to lease ex DL L1011s from Ceilidh's than Celtic Caledonian Airways for these flights, but seeing as they have no viable business plan, no real financing, and no idea what they're doing the arrangement fell apart. I'm sure he'll provide some details.
Now they've made plans to lease older BW L1011s, BW wouldn't sell to Caledonian Wings, for this haphazard insightless enterprise.
The only tropics these planes will be going to is probably Marana.