Fallstreak holes, also called cavum, sometimes occur when airplanes fly through certain clouds high in the atmosphere.

Most airplanes are struck by lightning when flying through clouds. Pilots will avoid flying in thunderstorms to prevent being struck by lightning.

As the airplanes made final approach, they flew through a cloud of supercooled water droplets — or water droplets that remain liquid even at temperatures below freezing.

Most airplanes are struck by lightning when flying through clouds. Pilots will avoid flying in thunderstorms to prevent being struck by lightning.