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Preventing Air Disasters
How Heathrow Air traffic controllers prevent mid-air collisions. Reporter Liz Maloney investigates one of aviation鈥檚 most challenging jobs: monitoring aircraft taking off and landing at Heathrow.
Also on the programme, why one beer too many can knock you off your feet.
蜜芽传媒 World Service Archive
This programme was restored as part of the World Service archive project
