Originally Posted by
Lake1952
I would really enjoy hearing how they pulled this off logistically (corporate permission, ATC etc.) and technically. It's not like they could erase any mistakes.
If anyone has any LY contacts that can add to the back story...
Seems it was well-planned. Scroll down to the section "Drawing a Boeing 747 in the sky".
https://samchui.com/2019/11/04/el-al.../#.XcAxAUUzbOQ
From the link