Aircraft with VDR Deafness Update Installed

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There are many causes of provider aborts. One signficant contributor is known as 'VDR Deafness' which affects Rockwell Collins VDRs and accounts for approximately 50% of the PAs seen currently. An update to address this problem is now available and known to work, so in order to find other causes of provider aborts it has been decided to investigate PAs that occur in aircraft that are fitted with the update for VDR deafness. These aircraft of special interest are being closely monitored and any PAs investigated.

The following aircraft are known to have the version of the Rockwell Collins 2100 VDR that includes the update for the VDR deafness problem from at least the dates given (and possibly before):

NAX Aircraft

Tail Number Aircraft Type 24 Bit Address Fixed since
LN-NGG B738 4787B0 Entering service
LN-NGH B738 47A8E3 Entering service
LN-NGI B738 47A851 Entering service
LN-NGJ B738 47A7BC Entering service
LN-NGK B738 47A7A8 Entering service
LN-NGL B738 47A776 Entering service
LN-NGM B738 47A743 Entering service
LN-NIC B738 479587 Entering service
LN-NID B738 479573 Entering service
LN-NIE B738 47956B Entering service
LN-NIF B738 4794FD Entering service

KLM Aircraft

Tail Number Aircraft Type 24 Bit Address Fixed since
PH-BCD B737 484FDE Entering service
PH-BXS B739 48418D 23rd May 2013
PH-BGR B737 484CB8 23rd May 2013

Lufthansa Aircraft

Tail Number Aircraft Type 24 Bit Address Fixed since
DAIZT A320 3C6754 31st May 2013
DAIZU A320 3C6755 20th June 2013
DAIZV A320 3C6756 20th June 2013
DAIZW A320 3C6757 First usage of CPDLC
DAIZX A320 3C6758 First usage of CPDLC
DABYI B748 3C4B29 3rd June 2013
DABYJ B748 3C4B2A First usage of CPDLC
DABYK B748 3C4B2B First usage of CPDLC

SAS Aircraft

Tail Number Aircraft Type 24 Bit Address Fixed since
LN-RGB B738 47C071 Entering service(Aug 2013)
LN-RGC B738 47BEBB Entering service(Aug 2013)
LN-RGD B738 47BE84 Entering service(Aug 2013)
LN-RGE B738 47BE91 Entering service(Aug 2013)
LN-RGF B738 47BDFB Entering service(Aug 2013)
LN-RGG B738 47BDCD Entering service(Aug 2013)

Finnair Aircraft

Tail Number Aircraft Type 24 Bit Address Fixed since
OH-LZG A321 461F9C Entering service