Korean Air, the world's largest cargo carrier in 2004, said it did not know the reason for the raid but said it would co-operate with the authorities.

BBC: NEWS | Business | Air cartel probe expands to Asia

Fourteen of the world's top 25 air cargo carriers are Atlas customers, and Chowdry has the rest in his flight path.

FORBES: Follow-Through

It probably makes more money from its interests in airline catering (in which it owns 20% of world market), ground handling, maintenance and air cargo than it does from actually flying.

ECONOMIST: Flying in circles

Air freight offers speed for the 40% of the world's trade (by value) that travels in cargo flights or in the hold of passenger aircraft, but it costs ten times more than sea transport.

ECONOMIST: Fast container ships