A set of tape transcripts released yesterday open a small window onto the flow of information among aviation authorities on Sept. 11, 2001, showing that air traffic officials in New York knew no more about the attacks than anyone watching television. Although fighter jets were racing toward the city after the commandeered planes, the transcripts showed that controllers at La Guardia Airport, apparently unaware of the hijackings, continued to send out flights until the second plane had struck the World Trade Center. That was nearly an hour after the first plane had been hijacked. Full Story