Medical Capacity is important in 4 areas

• Motor skills: Able to properly manipulate the controls of an aircraft

• Perceptual integration: Able to correctly perceive the status of the aircraft in relationship to its environment

• Such things as poor vision or episodes of vertigo

• Physiological reliability: Not likely to experience sudden in-flight incapacitation

• Pain, brain, heart

• Judgment : Follows rules, predictable