XW Calc - Crosswind Calculator

Weather

$2.99

A crosswind calculator built by a pilot, for pilots. Rotary knob controls inspired by real cockpit instruments. Spin and fly. Crosswind calculations shouldn't require a keyboard. XW Calc uses four rotary knobs — runway, wind direction, speed, and gusts — to give you an instant, always-current answer. Designed for one-handed cockpit use. Rotary Knob Controls Touch any dial directly on the value you want, then drag to fine-tune. Four knobs for runway heading, wind direction, wind speed, and gust. No typing. No menus. Results update as you move. Keypad Mode Prefer numbers? Switch to the keypad view for direct numeric entry. Same instant results, different input style. Both modes are always one tap away. Instant Crosswind Crosswind and headwind components update in real time as you adjust any parameter. Color-coded severity at a glance — green when you're well within limits, amber when it's worth thinking about. Gust Factor Aware Separate gust speed input with automatic Vref adjustment advisories. Know exactly how much extra speed to carry for gusty conditions before you turn final. Pilot Advisories Automatic recommendations for flap reduction when crosswinds are significant. Tailwind warnings with Vref adjustments. Directional indicators show which side the wind is hitting — no math required. Flip the Runway Tap the runway number in the readout to instantly switch to the opposite end. Perfect for non-towered fields where you're deciding which direction to use — see both options in seconds.

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

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    Information

    Seller
    • Jeff Quayle
    Size
    • 965.6 KB
    Category
    • Weather
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Jeff Quayle
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.