Your Cart

    Is this your street address?


    ···· ···· ···· 4242
    Test card



    Use a different card?


    pp paypal

    or pay with

    We do not keep any of your sensitive credit card information on file with us unless you ask us to after this purchase is complete.

    or pay with

    Your purchase was successful!

    We charged your card and sent you a receipt

      Gumroad Library

      Download from the App Store or text yourself a link to the app

      Sylvia Wrigley

      Sylvia is a pilot and aviation writer who has been obsessing about aviation safety for ten years. Her work has appeared in Piper Flyer, the Guardian and Forbes. In 2012 she was invited to speak as an aviation expert for the Discovery Channel series Air Crash Confidential. Her aviation blog, Fear of Landing, receives over 100,000 visitors a year. Visit the blog at You can find out more about her series on modern air crashes and incidents at

      Follow for posts on what Sylvia Wrigley is creating.

      Powered by Gumroad