You may have catastrophic thoughts about the potential outcome. (rbboswell.com)
Then, a sensation such as popping ears due to increasing altitude, a stomach drop due to turbulence, or feeling smothered in the recycled air can all contribute to catastrophic thoughts of losing control, dying, or simply being trapped in a metal tube for hours with hundreds of strangers, a surefire way to jump - start a panic attack. (scientificamerican.com)