Avionics Enroute Chart Selection GUI
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Solution Overview
Problem
Conventional electronic flight bag (EFB) devices lack the functionality to effectively display enroute charts, which provide navigational information for pilots operating under Instrument Flight Rules, by not providing sufficient graphical information and context compared to terminal charts.
Innovation Solution
An aircraft-based display system with a graphical user interface (GUI) that allows pilots to select and display enroute charts, featuring a sequence of component panels, an enroute selector, a panel selector toggle, and a visual graphic display for enhanced situational awareness, enabling the selection of geographic regions and chart types, and indicating the aircraft's position relative to the charts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional EFB devices are used to display enroute charts, then the device can display terminal charts with visual landmarks and terrain features, but the device cannot provide sufficient functionality for enroute charts with navigational aids and route information
Solution Approach 1:
The enroute chart is divided into multiple component panels that can be individually selected and displayed. Each panel contains specific navigational information such as fixes, beacons, waypoints, and airways. This segmentation allows the system to present complex enroute information in manageable, organized sections rather than overwhelming the pilot with all data at once.
Solution Approach 2:
The system adds a temporal dimension to chart display by implementing play/pause functionality that allows pilots to progress through sequences of chart panels in a controlled manner. This transforms the static chart display into a dynamic, time-based presentation that can be paused and reviewed, enhancing information delivery without losing navigational details.
2Loss of information
If enroute charts are displayed with detailed navigational aids and route information, then pilots operating under IFR receive necessary navigational information, but the display complexity increases compared to terminal charts
Solution Approach 1:
The enroute chart is divided into multiple component panels that can be individually selected and displayed. Each panel contains specific navigational information such as fixes, beacons, waypoints, and airways. This segmentation allows the system to present complex enroute information in manageable, organized sections rather than overwhelming the pilot with all data at once.
Solution Approach 2:
The system implements dynamic control mechanisms including play/pause buttons and panel selection toggles that allow pilots to interactively navigate through chart sequences. This dynamic interface adapts to pilot needs by allowing pausing of information flow and selective viewing of specific panels, reducing cognitive load while maintaining comprehensive information availability.
3Ease of operation
If enroute charts are displayed without panel selection and play/pause functionality, then the display system is simpler to operate, but pilots cannot effectively navigate through sequences of chart panels
Solution Approach 1:
The system pre-organizes enroute chart information into sequential panels that are prepared in advance according to the flight route. Pilots can select specific panels or use the play function to automatically progress through pre-arranged sequences, eliminating the need to manually search for information and reducing time to locate required navigational data.
Solution Approach 2:
The panel selector toggle and play/pause functionality provide immediate feedback to pilots about which panel is currently active and what information is being displayed. This feedback mechanism helps pilots track their position in the chart sequence and quickly navigate to relevant information without losing track of their context.
Data Source
AI summary
An aircraft-based display system providing a graphical user interface (GUI) for display of terminal charts further displays an enroute selector for engagement to select and display enroute charts. Engagement with the enroute selector brings up an enroute menu for selecting for display enroute charts associated with the ownship position or previously selected enroute charts; selection of an enroute chart 1) makes the selected chart the new active enroute chart and 2) displays the enroute chart. Each chart in the enroute menu includes a play button; engagement with the play button brings up an enroute selector GUI allowing selection of an enroute region and chart type. The enroute selector GUI displays all available enroute charts for a selected region and chart type, allowing the selection and display of the desired enroute chart in graphical as well as textual format.