Air data inertial reference unit: Difference between revisions

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===FAA Airworthiness directive 2000-07-27===
On May 3, 2000, the FAA issued airworthiness directive 2000-07-27, addressing dual critical failures during flight, attributed to power supply issues affecting early [[Honeywell]] HG2030 and HG2050 ADIRU [[ring laser gyro]]s used on several Boeing 737, 757, Airbus A319, A320, A321, A330, and A340 models.<ref name="art2" /><ref>{{cite web
|url=http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/WebSearchDefault?SearchView&Query=AD%202000-07-27&SearchOrder=1&SearchMax=0&SearchWV=TRUE&SearchFuzzy=FALSE&Start=1&Count=100#
{{cite web
|url=http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/WebSearchDefault?SearchView&Query=AD%202000-07-27&SearchOrder=1&SearchMax=0&SearchWV=TRUE&SearchFuzzy=FALSE&Start=1&Count=100#
|title=Various transport category airplanes equipped with certain Honeywell Air Data Inertial Reference Units
|publisher=US [[Federal Aviation Administration]]
|date=April 18, 2000
|access-date=2008-10-15
|archive-date=2009-06-06
}}</ref><ref>
|archive-url=https://web.archive.org/web/20090606142545/http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/WebSearchDefault?SearchView&Query=AD%202003202000-2607-0327&SearchOrder=1&SearchMax=0&SearchWV=TRUE&SearchFuzzy=FALSE&Start=1&Count=100#
|url-status=dead
}}</ref><ref>
{{cite web
|url = http://www.casa.gov.au/airworth/airwd/ADfiles/equip/inst/INST-045.pdf
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===Airworthiness directive 2003-26-03===
On 27 January 2004 the FAA issued airworthiness directive 2003-26-03 (later superseded by AD 2008-17-12) which called for modification to the mounting of ADIRU3 in Airbus A320 family aircraft to prevent failure and loss of critical attitude and airspeed data.<ref name="art2" /><ref>{{cite web
|url=http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/WebSearchDefault?SearchView&Query=AD%202003-26-03&SearchOrder=1&SearchMax=0&SearchWV=TRUE&SearchFuzzy=FALSE&Start=1&Count=100
{{cite web
|url=http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/WebSearchDefault?SearchView&Query=AD%202003-26-03&SearchOrder=1&SearchMax=0&SearchWV=TRUE&SearchFuzzy=FALSE&Start=1&Count=100#
|title=Airbus model A318, A319, A320, and A321 series airplanes equipped with certain Northrop Grumman (formerly Litton) Air Data Inertial Reference Units
|publisher=US [[Federal Aviation Administration]]
|date=August 6, 2008
|access-date=2008-10-15
|archive-date=2009-06-06
}}</ref>
|archive-url=https://web.archive.org/web/20090606142550/http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/WebSearchDefault?SearchView&Query=AD%202003-26-03&SearchOrder=1&SearchMax=0&SearchWV=TRUE&SearchFuzzy=FALSE&Start=1&Count=100
|url-status=dead
}}</ref>
 
===Alitalia A320===