Since the beginning of the winter season, HOTCalculator has been updated with new fluid hold-over times from AEA and TC. (Association of European Airlines and Transport Canada). HOTCalculator is now in operational use within (at least) two airlines.
Following user request, HOTCalculator has been updated with a new fluid. It is the ABAX Ecowing 26 Type II fluid that has been added. The new version of HOTCalculator is available in the App Store now.