Birdwatch Note Rating
2023-11-04 20:55:34 UTC - HELPFUL
Rated by Participant: 8EBAF36639123F450B6BD17DA0CEBEF0170C1F367700B866090B485D704D69FA
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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