Plain English Meaning
The rules that say how an airplane must be built so that the people inside have the best possible chance of surviving and getting out if it crashes.
Full Definition
Federal Aviation Regulations and certification standards that govern the structural design features of an airplane intended to protect occupants during a survivable crash. These include seat and restraint strength, fuel system integrity, cabin structural protection, and emergency egress provisions, with the level of protection required varying by aircraft category and certification basis.
Context Anchor
Seen in aircraft certification and design discussions, including multiengine airplane training that explains how airplanes are built and to meet .