Even a so-called minor accident can cause extremely painful fractures in a passenger's hands, feet, arms, legs, or ribs. Back injuries. An aviation accident may damage or compress a passenger's spinal cord, causing partial or total paralysis.

While commercial aviation in 2026 is exceptionally safe, injuries in survivable accidents often follow specific patterns related to extreme deceleration and fire. The most common physical injuries are blunt force trauma to the head, chest, and limbs, often caused by impacting the seat in front or being struck by loose cabin items. Lower-limb fractures (legs and ankles) are frequent due to the "bracing" position and the floor warping upon impact. In accidents involving post-crash fires, smoke inhalation and thermal burns are the leading causes of injury and fatality. Additionally, "flail injuries" can occur if seatbelts are not tightened properly, leading to internal organ damage from the belt itself. Beyond physical trauma, survivors almost universally experience Post-Traumatic Stress Disorder (PTSD) and other long-term psychological effects. Modern aircraft in 2026 are designed with 16G seats and fire-resistant materials to mitigate these risks, but following the "brace" instructions remains the most critical factor for minimizing injury.