As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN THE ACFT FLIPPED OVER ON ITS BACK, THE ELT FAILED TO ACTIVATE. THE VERTICAL MOTION OF THE ACFT COMING TO REST INVERTED DID NOT PROVIDE ENOUGH FWD MOTION TO ACTIVATE THE ELT. POST ACCIDENT GROUND TEST OF THE ELT SHOWED THAT THE UNIT WAS FUNCTIONAL WHEN ACTIVED AS DIRECTED IN THE UNITS DESCRIPTION, OPERATION, INSTALLATION AND MM.