References
- Learmont , D. 2002 . “Flight data ‘filtering’ is slowing 587 inquiry, according to NTSB.” . Flight International , : 9 22–28 January 2002
- NTSB . 2002a . NTSB Advisory: Fourth Update on NTSB Investigation into Crash of American Airlines Flight 587 , Washington , DC : National Transportation Safety Board . January 15, 2002
- NTSB . 2002b . NTSB Advisory: Seventh Update on NTSB Investigation into Crash of American Airlines Flight 587 , Washington , DC : National Transportation Safety Board . April 12, 2002