Shannon FIR closed
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The only area unit in the UK or Ireland that has a procedural fallback is Oceanic.
I started at Prestwick Centre in 1991, there has never been a procedural fallback since way before that date.
I started at Prestwick Centre in 1991, there has never been a procedural fallback since way before that date.
This makes me wonder whether Ireland needs to enforce ADS-B use, as Australia already does. Area-wide radar is looking a bit old-fashioned at this point. There should be no single point of failure in such a critical function.
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@bnt, it all depends on what actually failed.
If the data feed to all the displays was lost ( remember that my PC friends ! ) with the radars or ADS receivers still working, you are still stuffed.
If the data feed to all the displays was lost ( remember that my PC friends ! ) with the radars or ADS receivers still working, you are still stuffed.
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Sounds like the system is still in a failure mode, and whilst flights are operating normally,the system itself is running in contingency mode.
The IAA’s Dublin system was unaffected and Dublin flights are operating normally. The Dublin system is independent of the Shannon system.
https://www.iaa.ie/news/2018/10/03/s...8-10-october-3
Statement from the Irish Aviation Authority: 08:10 – October 3
The IAA continues to investigate the technical issue which occurred in Shannon Airport last evening. Services to and from Shannon and Cork are operating normally on the IAA’s Shannon back-up system.The IAA’s Dublin system was unaffected and Dublin flights are operating normally. The Dublin system is independent of the Shannon system.
https://www.iaa.ie/news/2018/10/03/s...8-10-october-3
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The procedural capability effectively disappeared when the Scottish Centre moved from Redbrae to Atlantic House a move which completed in 1978.
I took the "radar" bit of the report literally i.e. as a failure of the radar itself, not any of the IT systems between the dish and the controllers!
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You realize that 90% of today's ATC Facilities failures are system ones ( flight plan processing computers or data displays systems ) not the radar antennas. The failures occur regardless of the data source, being SSR antennas, multilateration or ADS-B .
Last edited by ATC Watcher; 3rd Oct 2018 at 20:41. Reason: correction
Apparently so - The info from our Ops people last night was as stated in the OP, it was the Shannon FIR was effectively closed for all business. We had a couple of planned west-bounds out of LHR last night that were either going to be replanned to avoid Shannon or held on the ground TFN...fortunately the situation improved fairly quickly.
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