Earlier quoted context omitted.
Why is this necessary. I take it 747s have been safe up til now?
The reason the FAA considered fuel tank inerting in the first place is because of a 1996 crash of a 747 that killed 230 people[1], and which is thought to have been avoided had the tanks been inert[2]. Other 747s were lost to the same issue, such as the ULF48 that crashed in 1976 killing all aboard[3]. To answer your question, no, the 747 is not "safe". No aircraft ever made is "safe". They will all crash and kill pe…
book: https://www.amazon.com/TWA-800-Crash-Cover-Up-Conspiracy/dp/...
movie: https://flight800doc.com