Glide2

Engine Failure Return

Free · Designed for iPad. Not verified for macOS.

Calculate before takeoff whether you can make it back to the runway if your engine fails. Impossible Turn Calculator Know before you go. The "impossible turn" — returning to the runway after engine failure on departure — is one of aviation's most critical and least-practiced decisions. This app helps you calculate whether you can make it back. Enter your numbers, get your answer. Select your aircraft or add a custom one with your own glide ratio, best glide speed, and MTOW Set your departure altitude, bank angle, reaction time, wind, and density altitude conditions See whether the turn is survivable before you ever leave the ground Features: Built-in aircraft profiles with real-world performance data Custom aircraft support — add any type with your own specs Density altitude calculations with OAT and altimeter setting Bank angle and weight effects on stall speed Wind correction Clean, dark instrument-panel interface For pilots who plan ahead. For informational and educational purposes only. Not a substitute for flight instruction or certified training. Always follow your AFM and FAA guidance.

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The developer, DONALD STEVEN SIEGEL, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Size
    • 896 KB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.2 or later.
    • iPhone
      Requires iOS 26.2 or later.
    • iPad
      Requires iPadOS 26.2 or later.
    • Mac
      Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.2 or later.
    Languages
    • English
    Age Rating
    4+
    Provider
    DONALD STEVEN SIEGEL
    • DONALD STEVEN SIEGEL has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
    • Address
      846 Burts Pit Road
      Florence Massachusetts 01062
      United States
    • Phone Number
      +1 4135315522
    • Email
      dsiegel@smith.edu
    Copyright
    • © 2026 Donald Siegel
  • Privacy Policy

    • More by DONALD STEVEN SIEGEL

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