[JoshTriplett]

> Also, you could have a bypass for the safety lock in case something goes wrong. [...] there's a key (literally a physical key) that you can use to disable the protection

I'm entirely in favor of having a safety mechanism with explicit warnings and a bypass mechanism, with that bypass mechanism being something that should never happen in normal operation.

I was solely arguing against the kind of interlock that a train has where "current can't flow" if the doors are open, since the plane should absolutely be able to operate with the doors open in order to safely land.

[littlestymaar]

I understand what you mean. Just to clarify, when I said current couldn't flow it's obviously some dedicated very low voltage current that is merely supposed to act a sensing mechanism, it's the not actual current powering the train that is being cut hard by the doors.