Birdwatch Note Rating
2023-11-04 21:43:21 UTC - HELPFUL
Rated by Participant: 4CF7A10E3E65E7FA4F26A92113D429F85260A3E664EE90D1102E1B284FFA26F9
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