Safari is the default browser for Apple (Mac) products. The following guide is for Safari on all Mac computers (screen caps from OSx10.11.6). To see our guide to clear cache an cookies on a iOS devices (e.g. iPhones and iPads), click here.
How to Clear Cache and Cookies for Safari
Log out of any current Avianis sessions.
Select "Safari" in the upper left corner
Select the "Privacy" tab
Click "Manage Website Data..." button
Click "Remove All" button. Alternatively, you may select the entries for "avianis.com" and remove those only.
Confirm by clicking "Remove Now" button
Click the "Done" button.
Refreshing the page may also work, but closing and reopening the entire application is always best.
Other Tips for Safari
Do not use a 'Private' browsing window.
Allow 3rd party cookies; this helps ensure our integrations work correctly.
Reference: Apple's Help Article.