A German website attests Dana air to have a high security and quality standard, which is not too bad for an operator in Nigerian circumstances.
Dana Air MD-80-Flotte - www.MD-80.com - Onlinedienst für ein kostenfreies Nachschlagewerk
Apparently, the aircraft were formally used by Alaska Airlines.
This incident and the one in Accra will certainly project more doubts about the safety standard of Nigerian operators. Very unfortunate indeed.