Occhi al cielo

[Missile]

Amici cliccate sul link e rimarrete stupidi da quello che gira sulle nostre teste:
http://www.flightradar24.com

[Dysko]

Peraltro non segna neanche TUTTI gli aeromobili in volo, ma solo quelli dotati di transponder ADS-B.
Dal sito ( http://www.flightradar24.com/#!/about.php ):

Which aircraft are visible on Flightradar24?

Common aircraft models that are visible on Flightradar24 (have an ADS-B transponder):

• All Airbus models (A300, A310, A318, A319, A320, A321, A330, A340, A380)
• BAe ATP
• BAe Avro RJ70
• BAe Avro RJ85
• BAe Avro RJ100
• Boeing 737
• Boeing 747
• Boeing 757
• Boeing 767
• Boeing 777
• Boeing 787
• Most new deliveries of Embraer E190
• Fokker 70
• Fokker 100
• Gulfstream V
• Gulfstream G500/G550
• McDonnell Douglas MD-10
• McDonnell Douglas MD-11
• Sukhoi SuperJet 100
• Some newer Ilyushin and Tupolev for example Il-96 and TU-204

Common aircraft models that are NOT visible on Flightradar24 (no ADS-B transponder):

• ATR-42
• ATR-72
• Boeing 707
• Boeing 717
• Boeing 727
• Boeing 737-200
• Boeing 747-100
• Boeing 747-200
• Boeing 747SP
• All CASA models
• All Bombardier Dash models
• All Bombardier CRJ models
• Dornier 328
• All Embraer models (except most new deliveries of Embraer E190)
• Jetstream 32
• Fokker 50
• McDonnell Douglas DC-9
• McDonnell Douglas MD-8x
• McDonnell Douglas MD-9x
• Saab 340
• Saab 2000
• "Air Force One"
• Most older aircraft
• Most military aircraft

Of course there are lots of exceptions.
For example one Lufthansa CRJ900, one LOT ATR-72, one Wideroe Dash, some MD8X from Onur Air, some Saab 340 in Australia and several private Cessnas are visible.
There are also some older A300, A310, A320, B737, B747, B757, B767 aircraft without the ADS-B transponder, and that makes thoose aircraft invisible on Flightradar24.