Authorities say co-pilot Andreas Lubitz, who in the past had been treated for suicidal tendencies, locked the captain out of the cockpit on March 24 before deliberately crashing the Airbus 320 into a mountain in the French Alps. All 150 people aboard the flight from Barcelona to Duesseldorf were killed.
The French aviation agency known as BEA said it aims to provide a "detailed analysis" of the Germanwings cockpit voice recorder information and any other flight data but it also plans to widen its search to examine issues that could affect the worldwide aviation industry.
The agency is studying both psychological screening procedures and rules applied to entering and leaving the cockpit in the industry, as well as cockpit door locking systems.
The BEA announcement signaled the latest re-think about airline procedures in the wake of the Germanwings crash, which jolted an aviation industry already reeling from other disasters like the disappearance of planes over the oceans and the shooting down of a Malaysia Airlines plane in eastern Ukraine.
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In Frankfurt, Lufthansa spokeswoman Kerstin Lau said UDD 300 million is the amount currently reserved by insurers to deal with "all costs arising in connection with the case."
Last week, Lufthansa Germanwings' parent company offered immediate aid of up to 50,000 euros (USD 54,250) per passenger to relatives of the victims. Those payments are separate from eventual compensation payments.