4 fractures
.............But... how comes the belts of the crew seats were not fastened?? Do we know anything about the passengers: i.e. if the belts on the seats they found were fastened, if the bodies showed ligature marks due to the belts...
If the belts were not fastened the turbulence would not be a key factor anymore
We do not know if the crew seat belts were fastened.. I presume you are referring to the photos of the 2 jump seats.. These are seats only used occasionally by cabin crew...
The fact that most of the bodies found so far have the " 4 fractures" ( legs and arms broken), suggests they had their belts fastened, and this at the time of relatively a horizontal impact with the sea,,