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IX. Rearrange the letters to form the term according to the definition.

1. dredur

a device mounted at the tail of an aircraft, used for effecting horizontal changes in course

2. hapropca

flying towards a point

3. uranwy

strip land covered with asphalt at an airport where aircraft can take off and land

4. telavore

movable control surfaces, usually is located on the horizontal stabilizer of an aircraft that is used to produce motion up or down

5. alit

rear part of the airplane which is used to guide the plane and maintain the balance

6. nwig

part on the side of a plane whose primary purpose is to keep the aircraft in the air

7. penefrmaroc

the essential flying characteristics of aircraft under standard atmospheric conditions

8. tenoreu

the portion of a flight between the point of departure and the destination

X. Flight Management System is a little computer onboard almost every aircraft that will guide the aircraft to it designated destination. Read the text about Flight Management System and fill in the gaps with the words given in the box.

cockpit; computer; controlling; unit; plan; destination; data; airliners; consumption

FMS

Flight Management System is a fundamental part of any modern aircraft and it is principally responsible for __ (1) __ controlling aircraft navigation. It consists of two units, a computer unit and a control display __ (2) __. It obtains __ (3) __ from various navigational systems both ground based and on board aircraft. The complete flight __ (4) __ is loaded into the computer before the flight. The __ (5) __ calculates air position, fuel __ (6) __ , aircraft position, and expected time of arrival and aids crews in managing the flight from origin to __ (7) __. Flight management systems are located in the aircraft __ (8) __ and are normally controlled through a small screen and multi-function keypad. Modern __ (9) ___ airliners are all equipped with flight management systems, and the majority of every commercial flight today is flown under computer control.

XI. Translate the sentences into English.

1. Автопілот винайшов американець Лоуренс Сперрі в 1912.

2. Автопілот забезпечує дотримання заданого курсу, швидкості та висоти польоту.

3. Це перший авіалайнер компанії Боїнг з електродистанційною системою керування.

4. Авіаційна промисловість України з 50-х рр. ХХ ст. базувалась на проектуванні й виробництві транспортних літаків.

5. Сучасні літаки устатковані надійними системами зв’язку.

6. Комп’ютери спрощують керування літаком.

GRAMMAR

Passive Voice

The passive voice places the emphasis on the action rather than the actor. The subject, or actor, is usually not mentioned. Passive voice is used frequently in technical writing, where the focus is usually on what was done rather than who did it. It is conventionally used to report experimental procedure and to avoid constant repetition of I or we throughout the report, paper or thesis.

Passive Voice

Present

Past

Future

Simple

am/are/is given

was/were given

will be given

Progressive

am/are/is being given

was/were being given

-

Perfect

has/have been given

had been given

will have been given

Perfect Progressive

-

-

-

Reasons for using the passive:

  • the 'actor' is not known (The number of Internet users was estimated to be over one million.)

  • the 'actor' is not important (The results will be presented at the conference.)

  • an impersonal tone is needed for academic writing (In this report, the stress fields in a C-shape plate will be analyzed.)

  • an impersonal tone is also used for process descriptions (First, the raw materials are loaded into a container ...)