What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-16) A copy of the winter operations manual is a requirement for the aircraft library, however, it was not issued to pilots, and the crewmembers on the accident flight were unaware it was readily available in each airplane. The procedures outlined on page 8-1, b, in this winter operations manual were not accomplished by the flight crew prior to departure from detroit. Damage to both engines indicates ice ingestion damage which appears to have occurred during the takeoff.
As the FAA filed it
(-16) A COPY OF THE WINTER OPERATIONS MANUAL IS A REQUIREMENT FOR THE AIRCRAFT LIBRARY, HOWEVER, IT WAS NOT ISSUED TO PILOTS, AND THE CREWMEMBERS ON THE ACCIDENT FLIGHT WERE UNAWARE IT WAS READILY AVAILABLE IN EACH AIRPLANE. THE PROCEDURES OUTLINED ON PAGE 8-1, B, IN THIS WINTER OPERATIONS MANUAL WERE NOT ACCOMPLISHED BY THE FLIGHT CREW PRIOR TO DEPARTURE FROM DETROIT. DAMAGE TO BOTH ENGINES INDICATES ICE INGESTION DAMAGE WHICH APPEARS TO HAVE OCCURRED DURING THE TAKEOFF.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.