Flight MH370 search planes get their own airborne traffic controller to prevent collisions in crowded skies

Investigators are conducting a forensic examination of the final recorded conversation between ground control and the cockpit of Malaysia Airlines Flight 370 before it went missing three weeks ago, the Malaysian government said Tuesday.

Meanwhile Australia, which is coordinating the search for the Boeing 777, cautioned that it “could drag on for a long time” and would be an arduous one.

The forensic examination could shed light on who was in control of the cockpit and will also seek to determine if there was any stress or tension in the voice of whoever was communicating with ground control — crucial factors in an air disaster investigation.

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