According to the AOPA the average age of single-engine general aviation aircraft in the U.S. is over 30 years old and is expected to continue increasing. One of the reasons aircraft age more gracefully than autos is the required maintenance. Aircraft are required to undergo an annual inspection by a licensed mechanic.
The inferior frontal gyri are located in the lower back portion of the frontal lobe on each side of the brain. Creativity depends on thinking skills that rely on the use of baseline knowledge combined with innovative thinking.
1 Smart or thinking people are sometimes called cerebral. 2  Cerebellum-At the back and bottom of the brain is the cerebellum. 3  This part of brain deals with motor movement. 4  It processes all the incoming motor messages from the nerves and figures out what to do with them.he Human Brain. 1  Cerebrum-The cerebrum is the biggest part of the brain. 2  Cerebellum-At the back and bottom of the brain is the cerebellum. 3  Brain Stem or Medulla-This is where the brain connects to the spinal cord.