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.
A sport pilot license permits a pilot to fly only light sport aircraft during the day and in good weather. According to the Aircraft Owners and Pilots Association's cost calculator, the cost for a private license runs on average $9,900, a recreational runs $7,700 and a sport license about $4,400. pilot with a private license may fly any single engine aircraft with no distance, passenger or weather restrictions. Recreational pilot licenses allow the pilot to fly only within 50 miles of his home airport and with no more than one passenger.