The one-in-sixty rule is a very useful and agile approximation to solve practical problems regarding both lateral and vertical air navigation.

The most obvious advantage of this rule is the avoidance of trigonometric functions rendering the calculations a matter of simple arithmetic procedures.

This mobile application allows the user to practice this rule-of-thumb. Also, it allows for the study of its accuracy.

App Privacy

The developer, Luis Moura, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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