Relevant Service Experience Prior to the Luxair Accident

There had been at least 11 fatal accidents dating as far back as 1951 related to propeller low pitch or reverse pitch settings in flight. One of these accidents involved a Fokker F27 Mk 200, which was type certificated 24 years before the Mk 050. There was also substantial in-service experience, as early as 1988, which identified EMI effects on the Fokker F27 Mk 050 antiskid system and the removal of the secondary pitch stops during landing gear extension. A Fokker service bulletin to correct this anomaly was issued in 1992.

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