Pilot Training: 6 months to 2 years, depending on the type of license (private or commercial).
Aircraft Maintenance Engineering: 2 to 4 years.
Aviation Management: 1 to 4 years, depending on whether it is a diploma, bachelor's, or master's program.
Air Traffic Control: 6 months to 1 year.
Cabin Crew Training: 6 months to 1 year.
Aeronautical Engineering: 4 years for a bachelor's degree.