Birdwatch Note Rating
2023-11-05 01:15:39 UTC - HELPFUL
Rated by Participant: A42C167241257DCC760DC573E140128AAE4AEB6DD5EB1F4D283B8E22E0C0AC63
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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