GroundRollCalc
Calculate takeoff roll
Free · In‑App Purchases
Real-time takeoff performance, runway awareness, and GPS-based rollout tracking—designed for pilots who want immediate insight into aircraft performance.
Key Features
Ground Roll Estimation
Calculates expected takeoff ground roll based on:
- Aircraft performance data
- Weight and loading
- Wind conditions
- Density altitude
- Runway slope and surface
- Runway Visualization
Graphical runway display with:
- Estimated ground roll marker
- Safety margin indicators
- Remaining runway awareness
Live GPS Mode (Optional)
- Track actual takeoff roll in real time
- Compare real-world performance to predicted values
- Detect deviations from expected performance
Aircraft & Airport Management
- Store multiple aircraft profiles
- Manage airport and runway data
- Customize inputs for accurate calculations
Built for Real-World Flying
- Designed for clarity and speed in the cockpit
- Clean interface optimized for iPad use
- Focused on practical, decision-support information
Important:
GroundRollCalc is a supplemental performance tool and is not a substitute for approved aircraft performance data, POH/AFM guidance, or pilot judgment. Always verify performance calculations and operate in accordance with safe aviation practices.
Data Sources
Airport and aeronautical data may include publicly available datasets such as FAA and openAIP sources.
Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What’s New in This Version
Version 2.0 is a major update with a complete rebuild of the app architecture and performance model.
- Fully redesigned calculation engine for improved accuracy
- New runway visualization with performance markers
- Added optional Live GPS tracking for real-time takeoff analysis
- Improved aircraft and airport data management
- Enhanced user interface and layout for iPad
- Foundation added for future features including performance learning and data tracking
GroundRollCalc is a precision takeoff performance tool designed for general aviation pilots. It helps you estimate, monitor, and validate your aircraft’s ground roll using real-world inputs and optional live GPS tracking.
Whether you’re flying from a short field, operating in high density altitude, or simply verifying performance against expected values, GroundRollCalc gives you a clear, visual understanding of how your aircraft is performing during takeoff.
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Rob Honeycutt
- Size
- 193.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.5 or later.
- iPhone
Requires iOS 18.5 or later. - iPad
Requires iPadOS 18.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- GroundRollCalc Pro Yearly $9.99
- GroundRollCalc Pro Monthly $0.99
- Unlock Live GPS $5.99
- Copyright
- © 2026 Rob Honeycutt
