The skies around Jakarta were busy on Wednesday afternoon last week. Air traffic controllers at Soekarno-Hatta Airport giving directions to a Sukhoi Superjet 100 were also tracking 12 other flights at the same time. This is a rather large number for a controller," said I Gusti Ketut Susila, president of the Indonesian Air Traffic Controllers Association, on Friday last week.

Air traffic control was thrust into the spotlight after the accident invol