What's New

User is now forced to select a new visibility if the lighting condition is changed after a snowfall intensity has already been selected. This is to ensure the snowfall intensity changes if the lighting condition is changed.

App Description

The Winter 2018-19 APS Holdover Times App is here!

This app contains the 2018-19 aircraft ground de/anti-icing fluid holdover times (HOTs) and related guidance as published by Transport Canada and the Federal Aviation Administration (FAA). Note the Association of European Airlines (AEA) no longer publishes HOT guidance.

HOT info is accessible in two functionalities: the HOT Calculator calculates HOTs for current conditions based on weather/fluid info entered by the user and the PDF Viewer allows navigation of HOT guidance documents in individual PDF files.

Key Features:

• DUAL FUNCTIONALITY: HOT Calculator and PDF Viewer.

• HOT CLOCK: Shows time elapsed since fluid application; progress bar and traffic light indicate status of HOT.

• DEFAULT AUTHORITY: Select your authority in the settings tab and see only data from that authority in the PDF Viewer and HOT Calculator.

• CHANGEABLE SETTINGS: Customize your authority, HOT table type (standard or adjusted), HOT alerts (lower, upper, both) and time zone (local or UTC).

• LOUTs: The holdover time calculator incorporates lowest operational use temperatures (LOUTs) for Type II, III and IV fluids as provided by FAA and Transport Canada.

• NO INTERNET CONNECTION REQUIRED: The app stores all data on your device so a connection to the internet is not required.

Developed by APS Aviation Inc., the company responsible for developing and managing the holdover time table data on behalf of Transport Canada and the FAA for the last two decades.

This app can be customized for individual operator/airline use. Contact us for more information.

iPhone Screenshots

(click to enlarge)

2018-19 HOTs screenshot 1 2018-19 HOTs screenshot 2 2018-19 HOTs screenshot 3 2018-19 HOTs screenshot 4 2018-19 HOTs screenshot 5

iPad Screenshots

(click to enlarge)

2018-19 HOTs screenshot 6 2018-19 HOTs screenshot 7 2018-19 HOTs screenshot 8 2018-19 HOTs screenshot 9 2018-19 HOTs screenshot 10

App Changes

  • September 13, 2018 Initial release
  • June 14, 2019 New version 1.6.1
  • June 14, 2019 Price decrease: $5.99 -> FREE!
  • June 14, 2019 Price decrease: $5.99 -> FREE!
  • June 15, 2019 Price decrease: $5.99 -> FREE!
  • June 15, 2019 Price decrease: $5.99 -> FREE!
  • June 15, 2019 Price decrease: $5.99 -> FREE!
  • June 16, 2019 Price decrease: $5.99 -> FREE!

Other Apps From APS Aviation Inc.

2013-14 HOTs 2014-15 HOTs 2015-16 HOTs 2016-17 HOTs 2019-20 HOTs 2020-21 HOTs 2021-22 HOTs 2022-23 HOTs 2023-24 HOTs