Flight Deck Turn Guidance for Aircraft Spacing Intervals
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Solution Overview
Problem
Flight crews face challenges in estimating when to initiate a turn to join a track behind a preceding aircraft while maintaining a specified spacing interval, especially in poor visibility conditions, due to the complexity of considering distance, speed, and wind conditions, which increases workload and can lead to fuel inefficiencies and increased time in the air.
Innovation Solution
A visualization assistance system that includes a processor configured to receive target aircraft data and flight crew specified spacing information, predict the amount of travel time or distance needed to maintain separation, and graphically display this information on the flight deck to help the crew determine when to initiate the turn, thereby reducing workload and improving situational awareness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the flight crew manually calculates turn initiation timing to maintain separation from the preceding aircraft, then the separation requirement can be met, but the flight crew workload increases substantially
Solution Approach 1:
The system introduces an intermediary computational device that processes flight data, wind conditions, and separation requirements to calculate turn initiation timing. This intermediary system handles the complex calculations that would otherwise burden the flight crew, maintaining separation reliability while reducing operational workload.
Solution Approach 2:
The system enables self-service by automatically computing turn initiation points using onboard sensors, flight management systems, and environmental data. The aircraft's own systems generate and process the necessary information without requiring manual intervention from the flight crew, thus maintaining safety while reducing workload.
2Measurement precision
If the flight crew spends more time calculating turn timing to maintain proper separation, then separation accuracy improves, but the time in the air increases
Solution Approach 1:
The system performs preliminary calculations of turn initiation timing using real-time data from sensors and flight management systems. By computing the optimal turn point in advance based on current flight parameters and predicted wind conditions, the system provides precise separation guidance without requiring the flight crew to spend additional time on calculations during critical phases of flight.
Solution Approach 2:
The system replaces manual mechanical calculation methods with automated electronic computation. Flight management systems and onboard processors rapidly calculate turn initiation timing with high precision, eliminating the time-consuming manual computations that would extend flight duration while maintaining or improving separation accuracy.
3Use of energy by moving object
If the flight crew performs detailed calculations for turn timing, then fuel efficiency can be optimized, but the complexity of the operation increases
Solution Approach 1:
The system automatically optimizes fuel efficiency by computing turn initiation timing that minimizes fuel consumption. Using onboard sensors, flight management data, and environmental information, the system self-adjusts the turn point calculation to achieve optimal fuel economy without requiring the flight crew to understand or perform complex fuel optimization calculations.
Solution Approach 2:
The system introduces an intermediary computational layer that handles the complex fuel optimization calculations. This intermediary process analyzes multiple variables including wind conditions, aircraft performance data, and separation requirements to determine the fuel-optimal turn initiation point, presenting a simple recommendation to the flight crew without exposing them to the underlying complexity.
Data Source
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AI summary
A visualization assistance system for providing visual assistance to flight crew on an ownship aircraft is provided. The visualization assistance system comprises a controller configured to: receive a designation of a target aircraft for the ownship aircraft to follow requiring execution of a turn to join a track behind the target aircraft; receive flight crew specified spacing information comprising a minimum separation level to be maintained between the designated target aircraft and the ownship aircraft; predict an amount of travel for the ownship aircraft before commencing the turn that after completion joins the ownship aircraft at a joining point to the track behind the target aircraft and maintains the specified minimum separation level; and cause the predicted amount of travel to be graphically displayed on a flight deck display for use by the flight crew when determining when to initiate the turn to join the track behind the target aircraft.