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As a plane flies forward, the curved upper part of the wing lowers the air pressure directly above it, so it moves upward. Why does this happen?  The low pressure makes air accelerate over the wing, and the curved shape of the wing (and the higher air pressure well above the altered air stream) forces that air into a powerful downwash, also pushing the plane up. This animation shows how different angles of attack (the angle between the wing and the incoming air) change the low pressure region above a wing and the lift it makes.  Normally, the airflow lines would follow the shape (profile) of the wing very closely. Here, because of the steep angle of attack, the air flow has separated out behind the wing and turbulence and drag have increased significantly. The airplane has six main parts?fuselage, wings, stabilizer (or tail plane), rudder, one or more engines, and landing gear. The fuselage is the main body of the machine, customarily streamlined in form. It usually contains control equipment, and space.  Airplane engines may be classified as driven by propeller, jet, turbojet, or rocket. Most engines originally were of the internal-combustion, piston-operated type, which may be air- or liquid-cooled. During and after World War II, duct-type and gas-turbine engines became increasingly important, and since then jet propulsion has become the main form of power in most commercial and military aircraft. 1 AIRPLANE RESERVATIONS (in the USA). Travel Agent: Can I help you? Mr. Campbell: I want to fly to London next week. I’d like to make reservations for a round trip ticket. A.: What day are you planning to leave for London?  - Can I take this bag with me? In the plane. стюард/ стюардесса - flight attendant или air -host/air-hostess. Мое место заняли. It is FAA policy to investigate citizen complaints of low-flying aircraft operated in violation of the CFR that might endanger persons or property. Remember that the FAA is a safety organization with legal enforcement responsibilities. We will need facts before we conduct an investigation. To save time, please have this information. Apr 22,  · The reason pilots use "V" speeds is because they change for every flight and every aircraft. Sometimes it is a subtle change, one or two knots but other times it is greater. The idea is that you have two pilots in most of today's complex aircraft. One pilot will fly the aircraft and the other pilot will monitor the status of the systems. The lower ends of the green arc and the white arc are the stalling speed with wing flaps retracted, and stalling speed with wing flaps fully extended, respectively. These are the stalling speeds for the aircraft at its maximum weight.
Airplanes are transportation devices which are designed to move people and cargo from one place to another. The air resists the motion in the form of aerodynamic drag. The only way out is to fly higher. Traveling by plane is much faster than traveling by train. They will fly so fast that ordinary aircraft windows would make the structure too weak to withstand the stresses at such a speed.

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