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Old 10th Apr 2009, 07:31
  #80 (permalink)  
HEATHROW DIRECTOR
 
Join Date: Oct 2000
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Bergerie1. I'd be very suprised if 80% was the figure; very few business jets or military aircraft transmit ADS-B and many airlines aircraft do not - e.g. some British Airways aircraft. I would suggest that the figure is closer to 60%. Obviously it is not mandatory in any EU airspace so I accept that many aircraft may have the capability.

I would be interested to know how ADS-B will better ground-based radar. ADS-B depends on the crew properly setting up the equipment and in my experience a significant number do not. I was watching a European airline B737 "landing" on Ascot Racecourse a day or two ago; in 30+ years of using ground-based radar I never saw a similar occurrence.
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