This is an interesting piece on Tehran Bureau. Apparently the website is part of PBS Frontline. As for the article conclusions, I think comments are informative. One person who had lost a dear one in Caspian crast says that gov't was aware of the airplane's technical problems. It is hard to say what caused that accident the black box was gone and experts are silent, too silent if i may say so. Enjoy
Read the article here.
By the way Aria Airlines resumed its flights using its Fokker 50s out of its base in Bandar Abbas. The call sign is on the air.