HOTmate

Accurate. Fast. User-friendly. A simple offline HOT calculator built for real-world winter ops.

HOTmate is a lightweight holdover time (HOT) calculator designed for quick use during winter operations. It provides a clean, pilot-friendly workflow: select the aerodrome, enter basic weather and temperature inputs, and get a clear HOT result with the relevant condition and intensity classification.

Key features include:

Fast, simple inputs with an interface optimized for mobile use.

Offline operation — no account, no network required.

Built-in precipitation/intensity logic to help interpret common winter weather scenarios.

Clear, readable results with an emphasis on speed and usability.

Dark mode for comfortable use in low-light environments.

HOTmate is built for rapid cross-checking and situational awareness, with a focus on reliability and a minimal, distraction-free design.