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Regarding a bomb on board: “In the cabin, procedures are laid down for assessing the risks of moving the device and for moving the device to the LRBL at door 2R.”

LRBL is “least risk bomb location” and is apparently required by the FAA: https://www.faa.gov/documentLibrary/media/Advisory_Circular/...

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This is fascinating, thank you for the link. Makes perfect sense when you think about it, identifying the least vulnerable location on an aircraft but not something I would have ever considered was part of the formal specifications.

Interesting. Outside of bombs, the most crash survivable area to sit is a middle seat in the rear third of the cabin.

Since you want the bomb behind the engines to avoid ingesting debris, you would likely have to put the bomb in this previously "more survivable" area.

I did not know about the rear third being more survivable. Do you have a source? Not doubting, just curious why.

Sure. https://time.com/3934663/safest-seat-airplane/

2R (from the document) actually seems to be the right front door.

2R would be the right overwing door on the A320. Interesting, I wouldn't have guessed that was the best place.

2R is the right rear door; the overwing emergency exits aren't considered doors (presumably because they aren't doors).

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