Why wasn't one single black box recovered from any of the crashes on 9/11? Also, was any wreckage found at any of the crash sites? - Quora
![Scale model of a flight data recorder - Picture of Flight 93 National Memorial, Stoystown - Tripadvisor Scale model of a flight data recorder - Picture of Flight 93 National Memorial, Stoystown - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/09/a5/e9/b4/flight-93-national-memorial.jpg)
Scale model of a flight data recorder - Picture of Flight 93 National Memorial, Stoystown - Tripadvisor
![Replica cockpit voice recorder ("black box") on display in the Flight 93 National Memorial Site Visitor Center near Shanksville, PA, United States Stock Photo - Alamy Replica cockpit voice recorder ("black box") on display in the Flight 93 National Memorial Site Visitor Center near Shanksville, PA, United States Stock Photo - Alamy](https://c8.alamy.com/comp/KWDWPF/replica-cockpit-voice-recorder-black-box-on-display-in-the-flight-KWDWPF.jpg)
Replica cockpit voice recorder ("black box") on display in the Flight 93 National Memorial Site Visitor Center near Shanksville, PA, United States Stock Photo - Alamy
![Thirty-One Smithsonian Artifacts That Tell the Story of 9/11 | At the Smithsonian | Smithsonian Magazine Thirty-One Smithsonian Artifacts That Tell the Story of 9/11 | At the Smithsonian | Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/3RNmXyDGb9C1SHrEF93r8clrPlw=/1400x1050/filters:focal(605x308:606x309)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/9a/ae/9aaeb296-1689-411c-8aef-8ca19a409433/crew_social.jpg)