Question: How can an ELT be heard before a crash?
There were several reports of ELTs being heard before WTC1 was struck.
These reports come from transcripts, some handwritten.
Page 6, USA583 picks up ELT on 121.5 at 12:44:05
Page 7, DAL2433, picks up ELT at 12:45:08
Different file:
Page 137, A/C reporting an ELT at 12:44
Page 139, USA583 reports ELT at 12:59
PM me with your email if you want to see the files
