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Questions tagged [flightradar24]

Use for flights shown on FR24, but not for issues with the site itself (e.g. coverage).

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7 votes
3 answers
7k views

Why don't most planes fly in a straight path? [duplicate]

Take a look at these images: As you can see, in all the images, the flight paths are curved. As far as I know, the shortest path between two points is a straight line. Planes usually would take the ...
5 votes
2 answers
4k views

Would a flight of F-35s from Texas to Denmark have their transponders searchable on e.g. flightradar24.com?

Lockheed Martin is delivering four F-35s to Denmark today. With a stop at the Azores and ETA 14:00 CET. Would I be able to find them on a public site like Flight Radar? I see a tail number of L-010 on ...
3 votes
1 answer
184 views

Examples of non-direct flight tracks (ETOPS, political instability, etc.)

Flights don't always follow the great circle route (the shortest distance between two points on the globe) for a number of reasons: Political Instability Airspace Closures ETOPS Limits Geography (eg. ...
15 votes
5 answers
14k views

Why wouldn't a plane start its take-off run from the very beginning of the runway to keep the option to utilize the full runway if necessary?

I was just watching BSL/LFSB on Flightradar24 and noticed that flight W67772 didn't start its take-off run from the end of the runway. Wouldn't it make sense to start every take-off from the end to ...
0 votes
1 answer
223 views

Why is it fairly common for the same aircraft to declare two emergencies, usually radio failures, in less than an hour?

I get notifications from FlightRadar24 whenever a plane squawks 7600 or 7700. It happens a lot; I've received eight today. (It seems like more happen on weekends than on weekdays, probably because ...
31 votes
4 answers
13k views

Why do aircraft on FlightRadar24 jump around randomly sometimes?

I use FlightRadar24 on my iPad to track friends'/family's flights when they are traveling (not paranoia, just curious). I've noticed that, quite often, their plane will jump from one location to ...
7 votes
3 answers
4k views

Why would a plane fly in circles?

(From FlightRadar24) Why would a pilot fly a plane (a Piper PA-28, N41622) like this? This was around 18:00 Eastern time at Pensacola, Florida (PNS) on October 20, 2022. This plane shows as "...
0 votes
1 answer
303 views

What are the four shades of grey on the FR24 map? [duplicate]

I just noticed the sunset border on Flightradar24 maps. I wonder: what are the 4 shades of grey, and why are they relevant? Why not just show one?
8 votes
2 answers
2k views

How can a helicopter show up at 29000ft, 547kts at Flightradar24?

Today I observed a strange flight on Flightradar24, a helicopter departing HAM and traveling at altitudes up to 29000ft and speeds up to 547kts which seems to be way beyond the specifications of a ...
-5 votes
1 answer
222 views

Why didn't LO7898 fly near the North Pole?

I've seen LO7898's route from Seoul to Warsaw on flightradar24. Instead of flying the shortest route (over Mongolia, Russia and near the North Pole) it flew as if Earth was a cylinder: over China, ...
26 votes
4 answers
17k views

Why do Air Force planes regularly fly in circles?

During the ongoing War in Ukraine, one can regularly spot planes from Royal and US Air Force flying over the Eastern parts of Poland, see screenshot. They often fly in circles and return after several ...
1 vote
1 answer
23k views

Why do some military flight appear on Flightradar but some not?

I often see military flights in the sky, which do not appear on FlightRadar24. I do understand that low-flying military airplanes do no necessarily get picked up by these trackers, and that some ...
0 votes
1 answer
152 views

How to calculate time-of-arrival of airplanes to a neighborhood of a position (with minimum probing)? [closed]

Suppose we have a position on earth with coordinates: (latitude, longitude). I'm looking for methods, algorithms or APIs to get a time alert that a plane would fly ...
0 votes
2 answers
4k views

From what distance can a man hear and see an airplane flying overhead, without any equipments?

Suppose I stand at p = (latitude,longitude) on earth. I want to manually check for any airplane flying overhead in my neighborhood with naked eye and without any ...
4 votes
1 answer
6k views

Why do B787 Dreamliners more often fly at 42,975 ft rather than at 43,000, according to flightradar24?

The A350 and the B787 are the only passenger airliners that can be seen cruising as high as 43,000 ft on flightradar24 (with the exception of a B747 I once saw). However, the B787 is more often found ...
4 votes
1 answer
1k views

Do private jets ever fly at FL510? If so, at what occasion?

Most private jets have a service ceiling of 51,000 ft. A service ceiling is the altitude at which a plane can climb no more than 500 ft/min, right? However, on flightradar24 I don't remember having ...
27 votes
2 answers
8k views

What are these vehicles with no callsign used for?

I keep seeing these land based vehicles whenever I am looking airports on flightradar24, like in the image below: Why do they come up on the radar? Do they have a transponder? What is the purpose of ...
22 votes
4 answers
4k views

My N number showed up on another plane's flight on FlightRadar24. How does that happen?

My Cessna 150F has never had ADS-B out. It has had the same N number since 1967. But yet, FlightRadar24 shows a flight a few weeks ago, perfectly tracing the coast north of San Diego, 2,000 miles from ...
4 votes
3 answers
479 views

Why is this Jordan–Afghanistan flight avoiding airspaces in the Middle East despite being used by other flights?

Not sure if this particular question fits more on Aviation or Politics. I am following the international situation these days and sometimes I watch a bit of live Flightradar. Today en route to Kabul I ...
8 votes
1 answer
821 views

Is this a very sloppy holding pattern or something else?

This scheduled Belavia service to Barcelona appears to be in a very sloppy holding pattern where they aren't correcting for wind at all. Is it normal for a passenger jet to fly like this?
5 votes
1 answer
562 views

What were four objects seen in Flightradar24 over Germany with the callsign TWR?

In Flightradar24 from 290030Z and then for two more hours, there were 4 identical objects over Germany between EDFM and EDDS at altitudes from 600 to 1900 feet, a few knots speed and each changing ...
3 votes
3 answers
2k views

Does the FlightRadar24 pose a risk to aviation security? [closed]

As you may know, on the internet there is the FlightRadar24 website where you can see the flight information of planes worldwide in real time. Although this is wonderful for those who like aviation, ...
-2 votes
1 answer
281 views

What is this aircraft doing?

I spotted this aircraft on FlightRadar24 flying a strange route. What is it doing?
10 votes
3 answers
5k views

Why doesn't flightradar show many flights going over China?

I use FlightRadar to track some flights. I am surprised to see that there are very few or no flights at all going to air fields of china. Is my observation correct? I really doubt that this is ...
2 votes
1 answer
284 views

Converting lat long & altitude into a line of sight target? [closed]

I want to design a long-range ADS-B receiver with a directional antenna (like a Yagi), but in order to maximize its range, I'll need to orient the antenna towards a target (plane) based on existing ...
11 votes
3 answers
61k views

Why do helicopter flights not appear in online flight trackers?

Currently in Indianapolis, IN (19 Mar 2015, ~08:00 EDT -4GMT), there is some sort of big kerfuffle downtown, and I can see 3 helicopters hovering over the near west-side of the downtown area. However, ...
17 votes
3 answers
6k views

Why don't aircraft fly over Tibet?

If you open www.flightradar24.com or their app, then this is what the scene commonly looks like: As you can see, the South-Central China area is strangely empty and the aircraft look to take a ...
0 votes
1 answer
540 views

Sudden drop in speed and altitude? [duplicate]

Can someone tell me exactly what happened on this flight? It was a brief moment of sudden drop in altitude (6000 feets) almost at the same time with a drop on engine powers. It's a drop of signal from ...
0 votes
1 answer
869 views

Is this route of a airforce jet on flightradar faked?

While looking at the flight routes of Indian airforce jets on flightradar, I have noticed that the trainee jets show a very weird flight pattern. Here's an example, The width of this screenshot is ...
4 votes
1 answer
369 views

When does a passenger plane leave the cruising phase?

I have Flightradar24 data here. Which are in the following structure. ...
3 votes
1 answer
1k views

Can pilots change the callsign shown on tracking websites mid-flight?

Today I viewed the following flight on FlightRadar24 website. It show a flight with a callsign of 'BLEED' and with the destination missing. Is this a problem with the website or can an aircraft change ...
0 votes
0 answers
75 views

What is Squawk on radar tracking websites? [duplicate]

I have been noticing squawk on virtual radar, anyone have any idea what this is?
8 votes
2 answers
5k views

How can I get flight destination from ADS-B?

If I have aircraft details such as the callsign, transponder code, and ads-b info, how can I look up the departure and arrival airdrome? Is there an API to obtain this information in a programmatic ...
2 votes
2 answers
306 views

How do I track my airplane?

I am a student of a flying school which has 10 Cessna-152's. Since all the aircraft are not equipped with a transponder, there is no way to track them. I am searching for a way to track them like ...
0 votes
1 answer
465 views

NASA's flying telescope SOFIA — How to find flight plans and real time location?

SOFIA, NASA's Stratospheric Observatory for Infrared Astronomy: SOFIA is based on a Boeing 747SP wide-body aircraft that has been modified to include a large door in the aft fuselage that can be ...
0 votes
0 answers
206 views

Why does a plane fly like this? [duplicate]

Why does a plane fly like this? https://www.flightradar24.com/LED5/dea0776
6 votes
1 answer
705 views

How do services like Flightradar24 and FlightAware track flights?

Do they use the same data sources/aviation services? If so, how do they differ?
20 votes
2 answers
4k views

Why did this aircraft fly in this pattern over Southern Italy?

Why would an aircraft fly in the pattern shown in the image below? The location is Southern Italy.
13 votes
1 answer
6k views

Why is this plane flying a circular track?

Came across this on flighradar24 recently. It shows a jet making a very strange pattern. I would normally expect it to be some sort of aerial survey but seems unlikely in such a large aircraft at such ...
3 votes
3 answers
836 views

What is the best way to retrieve (and transmit) location (GPS) of plane in real time?

What are some of the best ways to retrieve and transmit the location of a plane I am in, real time. To speak in realistic terms, I'm currently training for my private pilot's license and as such am ...
7 votes
1 answer
367 views

What factors besides tail/headwinds cause the time taken to fly some routes to be different from the time it takes to return?

I've observed this on many flight trackers; the time taken to fly from A to B is not necessarily the same as the time taken to fly back from B to A. Why is this so and what external factors besides ...
7 votes
1 answer
801 views

Is this a glitchy ADS-B signal? [duplicate]

I was looking through my virtual radar logs one of the days and found this "glitchy" ADS-B behavior. I am almost 100% sure that this is not due to my antenna or setup since two independent different ...
4 votes
0 answers
343 views

Can anyone find Putins Il-96-300PU july 17 flight map? [closed]

Can anyone find Putin's Il-96-300PU July 17 flight track? Putin's flight path has not been publicized on the internet. The Russian media is claiming that his aircraft would be in danger of being shot ...
4 votes
1 answer
5k views

What was Korean Air 672 doing at the time of Malaysia Air 370's disappearance? [duplicate]

In the first part of this YouTube video, you can see an aircraft supposedly flying 4x faster than the surrounding aircraft, at the time the Malaysian 777 went missing. After replaying this on Flight ...
30 votes
2 answers
22k views

I just saw a plane drop off online radar; should I do anything about it?

I was watching Flight Radar 24, positioned near my house, to see what planes I could spot, and noticed a Cessna 550's transponder just dropped off @ 5,325 ft in a high-speed descent! Is there ...