The next phase of aerobic respiration is the Citric Acid Cycle, also known as the Kreb's Cycle, named for the biochemist who discovered it. To prepare for this stage, the pyruvate molecules from glycolysis are converted to a 2-carbon compound called Acetyl CoA.
Commercial pilots working in nonscheduled air transportation earned $78,010 on average in 2011, the bureau says. Those employed by technical schools and trade schools averaged $66,070, and workers providing support activities for air transportation earned $71,440.
2016 Salary Information for Airline and Commercial Pilots. Airline and commercial pilots earned a median annual salary of $111,270 in 2016, according to the U.S. Bureau of Labor Statistics. On the low end, airline and commercial pilots earned a 25th percentile salary of $77,450, meaning 75 percent earned more than this amount. The 75th percentile salary is $166,140, meaning 25 percent earn more. In 2016, 124,800 people were employed in the U.S. as airline and commercial pilots.