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Sukhoi Superjet 100

Sukhoi Superjet 100 aeroplane family is being developed based on the principle of maximum standardization of frame assemblies and systems, viz.: wings, fins, chassis, engine unit, crew cabin, basic aeroplane systems and component parts.

The standardization of the design makes it possible to improve the economic performance of the aeroplane family operation.

The aerodynamics and design of the aeroplanes of the family are based on proven advanced technology to minimise technical risks at the stage of design, testing and operation.

The aeroplanes of the family have 2 standard sizes for 75 and 95 seats to comply with the customer interests among airlines. Modern modification is designed for use on a network of various-length routes. It makes possible for airlines to improve the economic performance of their operations based on the route structure and passenger flows.

The design meets the specific ICAO requirements of the ground noise level standards and conforms to current and long-range requirements of Russian and global market in commercial aeroplanes.

Unit 3. Air traffic management

11 Exercise 1.

Air Traffic Control

Air Traffic Control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air. A controller's primary task is to separate certain aircraft — to prevent them from coming too close to each other horizontally and vertically. Secondary tasks include ensuring orderly and expeditious traffic flow and providing advisories, such as weather information and navigation directions (vectors).

Air traffic control services can be divided into two major subspecialties, terminal control and en-route control.

1.The primary method of controlling the immediate airport environment is visual observation from the control tower. Tower controllers are responsible for the separation and efficient movement of aircraft and vehicles operating on the taxiways and runways of the airport itself, and aircraft in the air near the airport, generally 2 to 5 nautical miles depending on the airport procedures.

The areas of responsibility for tower controllers fall into three general operational disciplines: Ground Control, Local Control (Tower in North America), and Clearance Delivery.

2. En-route Air Traffic Controllers issue clearances and instructions for airborne aircraft, and pilots are required to comply with these instructions. Controllers adhere to a set of separation standards that define the minimum distance allowed between aircraft.

En-route air traffic controllers work in facilities called Area Control Centers, each of which is commonly referred to as a "Center".

Each center is responsible for many thousands of square miles of airspace (known as a Flight Information Region) and for the airports within that airspace.

As an aircraft reaches the boundary of a Center's control area it is "handed off" to the next Area Control Center. This "hand-off" process is simply a transfer of identification between controllers. Once the hand-off is completed, the aircraft is given a frequency change and begins talking to the next controller. This process continues until the aircraft is handed off to a terminal area controller ("Approach").

12 Exercise 2.

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