The quesion is who placed the C4 onto the plane.

As i see it there are two answers

The first is Widmore - if it was widmore why does he want to kill everyone

The second is Richard, Miles and Ben - If it was them why did they set it up to explode when the engine was started.

Who was it

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.