Part 4/8:
Using transcripts from NORAD’s operations, the presentation illustrated how Delta 89 was treated differently from Delta 1989 despite being recorded in similar time frames and geographical areas. Specifically, the excitement levels concerning Delta 89's hijack report triggered a series of urgent responses among the radar teams, which were unlike Delta 1989's responses.
Technical Details
It was elucidated that the radar tracking of Delta 89 required a deeper understanding of air traffic communications: