Birdwatch Note Rating
2023-11-04 21:27:35 UTC - HELPFUL
Rated by Participant: 4ABE6203F10279A89C2A3C09E70B746A68D327698E0FC5F06B79365FFE86469B
Participant Details
Original Note:
Because the transponders in three of the four hijacked aircraft were switched off, and the remaining aircraft had changed its transponder code twice, the FAA had difficulty relaying the current aircraft positions https://www.vanityfair.com/news/2006/08/norad200608 https://web.archive.org/web/20091010053852/http://pccw.alumni.cornell.edu/news/newsletters/spring06/riggs.html
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