Rating Newest Oldest. Best Answer: Once muscle contraction starts the regeneration of ATP must occur rapidly. There are three primary sources of ATP which, in order of their utilization, are creatine phosphate (CP), anaerobic glycolysis, and oxidative phosphorylation. Energy from ATP derives from cleaving of the terminal phosphate of the ATP molecule.
Under the new rules, pilots will be able to be on duty for nine to 14 hours â a number that will fluctuate based on factors such as when the pilotâs day begins and how many segments he or she will fly in one day. Pilots will be able to fly no more than nine hours during that period.
The usual new-hire at a national or major airline has between 1,500 hours and 10,000 hours, typically. Military pilots generally donât accrue the large number of hours in a short amount of time like regional pilots, so they tend to have between 1,500 and 3,000 hours when hired. Civilian pilots often have at least 2,500 hours, and more commonly now, 5,000 hours before landing a job at the majors. The holy grail.