Italian authorities accused Pia Klemp of colluding with smugglers to stage rescues at sea.
Those missing off the coast of Libya include 10 women and two children, including a two-month-old baby.
Russia blamed Israel for the crash, saying the plane was caught in the crossfire as four Israeli fighters attacked targets in northwestern Syria.
One in 18 migrants trying to reach Europe by sea died or went missing this year -- more than double the rate last year, per a report from the U.N. refugee agency.
Libya is one of the main departure points for migrants trying to cross to Europe by sea.
A rescue ship carrying 629 people finally docked in Spain.
1. Santiago, Chile
Eight members of one family drowned.
Amnesty International accuses European governments of complicity in Libya's corrupt system.
Jesus himself had to flee persecution as a child.