The whole muscle of which the muscle fibres are a part can develop force in several different ways, e.g. with the muscle as a whole shortening, lengthening or maintaining the same length while the muscle fibres contract. List of types of muscle contraction. Isotonic (of which there are two types: concentric and eccentric)
While some flight schools will advertise that you can get a pilot's license for around $5,000, the reality is that the cost generally works out to be more. A commercial pilot's license -- bigger plane, more than twice the flight time -- generally costs $40,000 to $50,000.
To pilot a commercial airline, captains must obtain an airline transport pilot's license from the Federal Aviation Administration (FAA). Applicants for this license must be at least 23 years old. Pilots also must also meet flight time requirements, pass a written and flight exam and meet health standards.