Blue: Aircraft displayed as blue icons are currently being tracked via satellite. Satellites are collecting the ADS-B signals from aircraft and transmitting them to the Flightradar24 network.
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Aircraft located using satellite data are coloured blue on the map, and yellow if located by terrestrial receivers.
Flightradar24 is the first flight tracking service which offers space-based ADS-B-tracking. The blue planes on the map are tracked from a satellite and the yellow ones are tracked from the regular earth-based radar stations.
If it is above 100 meters, the trail will be yellow, and with an increase in altitude, will be green, and so on. If the aircraft's position surpasses 2500 meters in altitude, the trail will be light blue, and will then change to dark blue, purple, and finally red for the highest possible altitude.
Websites such as ADSBExchange.com, FlightRadar24.com and FlightAware.com aggregate flight data in the United States and abroad using a mix of commercial and citizen-owned sensors that capture the movements of commercial, civilian and military aircraft in real time, 24 hours a day.
Red: When an aircraft is displayed as red that means that you are currently following that specific aircraft on the map or that the aircraft's transponder is squawking an emergency code. These codes are 7500 (Hijack), 7600 (Communication Equipment Failure), 7700 (General Emergency)
Military aircraft in particular are exempt from many civil rules and regulations which would see most aircraft having an active transponder and of course their operational requirements will dictate they often do. That said, ultimately, any plane CAN disable it if they wish.
The position is calculated based on many different parameters and in most cases it's quite accurate, but for long flights the position can in worst cases be up to about 100 km (55 miles) off. In settings there is an option to set for how long time you want to see estimated aircraft on map.
Squawking 7700 in an emergencyThe most well know of these is the code 7700. This is used to indicate an emergency of any kind. A pilot will enter this when in an emergency situation - either instructed by ATC after declaring an emergency or without communication if there is no time.
From the time it lifted off from Kuala Lumpur at 15:42 local time, SPAR19 was already the most tracked flight on Flightradar24 among active flights. By the time it landed in Taipei, SPAR19 was being tracked by more than 708,000 people around the world, making it the most tracked live flight in Flightradar24 history.
SQUAWKing is the process of communicating between the air and the ground, the process is essential for keeping planes in the air safe and ensuring a smooth and manageable air traffic control process, both for pilots and air traffic controllers.
What is the longest flight in the world by distance? The longest flight in the world by distance is New York (JFK) to Singapore (SIN) on Singapore Airlines clocking in at 9,537 miles. What plane can fly the farthest in the world?
Military aircraft in particular are exempt from many civil rules and regulations which would see most aircraft having an active transponder and of course their operational requirements will dictate they often do. That said, ultimately, any plane CAN disable it if they wish.
Wake turbulence poses a major risk to other aircraft, so pilots and ATC use the term “heavy” in radio transmissions as a reminder that the aircraft's wake may be dangerous to others passing behind or below the flightpath of these larger-mass aircraft.
Some high profile aircraft, such as Air Force One are not displayed. Most other aircraft subject to restriction are shown as anonymized by aircraft type.
The closest competitor to flightradar24.com are flightstats.com, flightaware.com and airportia.com. To understand more about flightradar24.com and its competitors, sign up for a free account to explore Semrush's Traffic Analytics and Market Explorer tools.
Does FlightRadar show private planes? Yes, it does, but the data is limited. If an operator doesn't want their personal details published, FlightRadar will block out that information or even omit showing the aircraft directly related to high-profile individuals, like Air Force One.
Now you can choose between ready-made filter categories or you can create your own custom filters. Our categories include Passenger, Cargo, Military and Government, Business jets, and many more pre-made filters. To access them from our website, you should click the Filters button at the bottom of the screen.