460.15—Human factors.
An operator must take the precautions necessary to account for human factors that can affect a crew's ability to perform safety-critical roles, including in the following safety critical areas—
(b)
Mission planning, which includes analyzing tasks and allocating functions between humans and equipment;
(d)
Vehicle operation, so that the vehicle will be operated in a manner that flight crew can withstand any physical stress factors, such as acceleration, vibration, and noise.