Birdwatch Note Rating
2023-11-04 22:23:40 UTC - SOMEWHAT_HELPFUL
Rated by Participant: BA299258C24AF42AEB27F7E281E537CC5C21616E7794360C23B65830F547904C
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
All Note Details