GroundRollCalc

Calculate takeoff roll

Free · In-App Purchases

iPad

GroundRollCalc: Estimation of Takeoff Performance Calculator for General Aviation Pilots GroundRollCalc is an indispensable tool designed specifically for general aviation pilots who want to estimate and monitor their aircraft’s takeoff performance. Whether you’re flying a Cessna, Piper, or any other GA aircraft, GroundRollCalc helps you make smarter, safer decisions on the runway — every time. Key Features: Ground Roll Estimations: Calculate your aircraft’s ground roll distance based on essential factors including aircraft weight, density altitude, runway slope, wind speed and direction, and surface conditions. Our proprietary algorithm adjusts for real-world variables, giving you reliable, pilot-tested performance figures. Comprehensive Environmental Inputs: Input critical flight data such as temperature, pressure altitude, wind components, and runway surface type (asphalt, grass, gravel, etc.). These inputs dynamically adjust the takeoff distance calculations, helping you plan for varying airport and weather conditions. Flexible Aircraft Profiles: Save multiple aircraft profiles with their unique performance data, including max gross weight, takeoff ground roll, and engine type (fixed-pitch, constant-speed prop, turbocharged, or turbine). Switch between profiles easily to match the plane you’re flying. User-Friendly Interface: Intuitive input forms guide you through entering flight and environmental data, with immediate calculation results displayed clearly. Color-coded warnings help identify performance thresholds to avoid surprises during takeoff. Customizable Settings: Set your preferred units of measurement (feet/meters, knots/mph, pounds/kilograms) and performance warning levels for yellow and red markers to tailor the app to your flying style. Runway Visualization: Graphically view your takeoff roll and thresholds on a runway diagram, giving you a visual sense of your aircraft’s acceleration and takeoff point. Bonus: Live GPS Tracking (Unlockable Feature) Upgrade to unlock Live GPS mode, which leverages your device’s GPS to provide real-time tracking of your aircraft’s position on the runway during takeoff. Stay informed and confident with live updates as you accelerate down the runway. Why GroundRollCalc? Takeoff performance is one of the most critical safety considerations for any pilot. GroundRollCalc puts reliable calculations and real-time situational awareness at your fingertips. By incorporating environmental conditions and aircraft-specific data, you get a comprehensive, tailored takeoff performance assessment every flight.

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• Added custom number pad for flight inputs • Created a quick conversions utility • Cleaned up minor aesthetics

Version 1.1.2

The developer, Rob Honeycutt, 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

    • Seller
      • Rob Honeycutt
    • Size
      • 4.8 MB
    • Category
      • Utilities
    • Compatibility
      Requires iPadOS 18.5 or later.
      • iPad
        Requires iPadOS 18.5 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2025 Rob Honeycutt
  • Privacy Policy

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