Bolivia Vice President Alvaro Garcia Linera blamed "second-level government officials" for clearing Bolivia charter LaMia to operate.
Brazilian football club Chapecoense have appointed Vagner Mancini as their new coach following the air charter tragedy.
Chapecoense won't sign stars like Ronaldinho as the club begin rebuilding following the air tragedy that killed 19 teammates.
Barcelona have invited Brazilian side Chapecoense to play in next summer's Joan Gamper Trophy match at Camp Nou.
A Bolivian woman who pointed out irregularities in the flight plan of the Chapecoense charter has sought assistance in Brazil.
Brazil will play Colombia in a friendly at the end of January to help victims of the Chapecoense air crash last week.