Holdover Times Calculator

Holdover Times Calculator is a pilot focused weather and navigation utility that quickly computes deicing and anti icing holdover time windows. It blends live aviation weather, fluid selection, and regulatory tables to support fast, confident decisions on the ramp and during taxi. Ideal for airline and general aviation crews, dispatchers, and deicing coordinators seeking a precise, easy to use HOT calculator. Core features - Accurate HOT calculations based on fluid type and concentration, temperature, precipitation type and intensity, and wind effects - One tap airport lookup with auto METAR and TAF fetch plus manual entry and offline reference tables - Smart timers and alerts to track HOT start and expiry, with customizable notifications for changing conditions Advantages - Built on FAA and Transport Canada guidance for familiarity and consistency - Clean, pilot friendly interface optimized for quick use in operational environments and EFB workflows - Lightweight, fast, and reliable for flight planning and day of operations Keywords include aviation deicing calculator, holdover time, METAR weather, EFB tool, flight operations, ramp safety, winter operations