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Icao Hex Code  
User currently offlineKaitak From Ireland, joined Aug 1999, 12480 posts, RR: 34
Posted (4 years 8 months 2 weeks 6 days 18 hours ago) and read 13828 times:

I have been using a superb new site (well, new to me!) called Radarvirtuel, which is excellent for European flights. However, when you click on an aircraft, one of the pieces of data it gives you is the ICAO Hex Code. Can anyone tell me what this is and what is means? Who assigns it and is it specific to the acft itself?

Thanks for any info!

http://www.radarvirtuel.com/

5 replies: All unread, jump to last
 
User currently offlineFredT From United Kingdom, joined Feb 2002, 2185 posts, RR: 26
Reply 1, posted (4 years 8 months 2 weeks 6 days 18 hours ago) and read 13817 times:

A unique 24 bit code assigned to each aircraft equipped with a mode S transponder. That's effectively the ID of the aircraft. Haven't heard of it being called the ICAO code before, but then again it's not something I work with. Has to be the same.


I thought I was doing good trying to avoid those airport hotels... and look at me now.
User currently offlineKaitak From Ireland, joined Aug 1999, 12480 posts, RR: 34
Reply 2, posted (4 years 8 months 2 weeks 6 days 16 hours ago) and read 13784 times:

Thanks Fred!

Kaitak


User currently offlineAviopic From Netherlands, joined Mar 2004, 2681 posts, RR: 42
Reply 3, posted (4 years 8 months 2 weeks 6 days 15 hours ago) and read 13781 times:



Quoting Kaitak (Thread starter):
one of the pieces of data it gives you is the ICAO Hex Code.

This might be useful for you.
http://en.wikipedia.org/wiki/Aviation_transponder_interrogation_modes
http://www.mantma.co.uk/icao%20allocations.html



The truth lives in one’s mind, it doesn’t really exist
User currently offlineZeke From Hong Kong, joined Dec 2006, 9111 posts, RR: 75
Reply 4, posted (4 years 8 months 2 weeks 6 days 2 hours ago) and read 13675 times:



Quoting Kaitak (Thread starter):
Can anyone tell me what this is and what is means?

The extended mode s transponder 24 bit address that transmitted on the long and short squitters by the aircraft mode s transponder.

Quoting Kaitak (Thread starter):
Who assigns it and is it specific to the acft itself?

The state of registration. The first 4 to 14 bits define the state of registry, the remaining 10-20 bits is the unique part of the address, and identified that aircraft registration in the state of registry.

Similar to how aircraft in the UK start their registration with "G", and then have unique letter after the -, like G-CIVA.



We are addicted to our thoughts. We cannot change anything if we cannot change our thinking – Santosh Kalwar
User currently offlineOly720man From United Kingdom, joined May 2004, 6754 posts, RR: 11
Reply 5, posted (4 years 8 months 2 weeks 6 days 1 hour ago) and read 13673 times:

Beware that on sites like this, though the aircraft info may be accurate the flight routing may be dodgy. Today, for example it has US9195 as routing DUB-PHL, but it left MAN, having diverted in from LGW as US732 yesterday.

It's showing over the sea to the west of Northern Ireland at the moment.



wheat and dairy can screw up your brain
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