Holdover Time Calculator

This app is designed for aviation personnel.

Using the latest tables from FAA HOLDOVER TIME GUIDELINES, WINTER 2020-2021 ORIGINAL ISSUE: AUGUST 7, 2020.


Provides holdover time guidelines (holdover time guidelines) for operations when icing condition exists.


The app works best with iPhone 11 and later mobiles.


Easily calculate HOT with a few steps.


This version is calculating HOT based on FAA tables for winter 2020/2021. New updates will be published accordingly.

HoldOver Time