The following information provides an awareness of problems that might be avoided in the future. The information is based on final reports by official investigative authorities on aircraft accidents and incidents.
Jets
Fly-by-Wire Protections Degraded
Airbus A330s. No damage. No injuries.
Ice crystals blocked the pitot probes on two Airbus A330s that were cruising at high altitudes in the vicinity of convective weather activity, causing erroneous airspeed indications and reduced autoflight systems operation, according to a report issued in June by the U.S. National Transportation Safety Board (NTSB).
The incidents reported by NTSB involved an A330-200 of Brazilian registry that was en route with 176 people aboard from Miami to São Paulo, Brazil, on May 21, 2009, and an A330-300 of U.S. registry that was en route with 217 people from Hong Kong to Tokyo on June 23, 2009.
“Crew statements …
