A system of standard calls should be developed to provide commercial flight crews with initial guidance for handling abnormal and unexpected occurrences in flight, says the Swedish Accident Investigation Authority (SHK). The SHK believes such guidance might help to prevent accidents similar to the one that befell a Bombardier CRJ200 the night of Jan. 8, 2016.
Investigators found that there was no immediate communication or coordination between the CRJ pilots when the pilot-in-command’s (PIC’s) primary flight display (PFD) indicated that the airplane’s pitch attitude was increasing rapidly. The PIC’s surprised reaction to the pitch indication led to an upset from which recovery was not accomplished. The pitch indication was found to have been erroneous and precipitated by a malfunctioning inertial reference unit (IRU).
The accident occurred in Oajevágge, Sweden, during a cargo flight carrying mail and packages from Oslo to Tromso, both in Norway. The airplane was being operat…
