Flightradar24

There are a couple of reasons aircraft may not be detecte​​d on Fr24. The aircraft may be out of receiver range which can happen when an aircraft is flying too low, between mountains or over water/desert, or it may be that the aircraft does not carry an ADS-B or Modes S transponder on-board. It may be that the aircraft has been blocked from public view at the request of the owner.

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You can read more about how we detect aircraft here: https://www.flightradar24.com/how-it-works

We are constantly working on improving our receiver coverage. If you think you can add coverage please apply to host one of our receivers! 

https://www.flightradar24.com/apply-for-receiver 

If you have anymore questions please let us know!

Best wishes,

Hannah

Flightradar24 Support

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On Sun, 27 Jan at 5:13 PM , Fathialjishi  wrote:

Some maps are dark like hawaii and japan
we cannot see heliocopters in all countries

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