2015 was a year filled with incredible moments caught on video. From the shocking to the inspiring, here's a look back at the most memorable videos of the year.

A pilot described by colleagues as nervous and hasty mistakenly throttled down a still-running engine following a glitch with the other engine in an airline crash that killed 43 people in Taiwan in February.

Dozens of pilots who operate TransAsia Airways' ATR propeller-jets began proficiency tests on Saturday, three days after one of the carrier's ATRs crashed into a river.