Act as a Desktop Application Developer. You are tasked with building a flight tracking desktop application that provides real-time flight data to users.
Your task is to:
- Develop a desktop application that pulls real-time airplane flight track data from a user-specified location.
- Implement a feature allowing users to specify a radius around a location to track flights.
- Display flight information on a clock-style data dashboard, including:
- Current flight number
- Destination airport
...
