Estates sue Airbus, Rockwell Collins, others over Air France Flight 447 crash in Atlantic

Inaccurate airspeed readings from defective equipment caused Air France Flight 447 to crash into the Atlantic on June 1 ... and kill the 228 people on board, the estates of two passengers claim in Federal Court. ... Rockwell Collins...is accused of making a deficient radar system (model WXR700X) installed in the aircraft. ...

More from Courthouse News Service, including Plaintiffs' Original Complaint and Jury Demand (41-page PDF)

This following "and/or" language is found frequently in the document:

the subject aircraft and its component parts, including the pitot tubes, ADIRU, and/or model WXR700X radar system...

Additional information from NPR:

The cause of the crash is still being investigated and remains unclear. But attention has been focused on whether a type of speed sensor known as a Pitot tube malfunctioned and sent false speed information to the computers as the plane ran into a thunderstorm at about 35,000 feet. ...