Task: Fill in the gaps with suitable words.

 flight          launching          equipped             guided            explosive         propelled        target        rockets

1. Guided missiles are self-propelled objects.
2. After launching, guided missiles automatically alter their direction.
3. Guided missiles usually carry high-explosive charges and are equipped with a means to explode them at or near a target.
4. The majority of guided missiles used in the Navy are essentially rockets that are maneuvered while in flight.

Key: 1. propelled; 2. launching; 3. explosive, equipped, target; 4. guided, rockets, flight

   Multiple choice – Flight Instruments

   Choose the best answer.

1.       If some information is confusing, it is unclear.

a) brief

b) clear

c) unclear

2.       When a plane descends, it drops.

a) accelerates

b) ascends

c) drops

3.       In air force terminology, knots are used to measure speed.

a) humidity

b) speed

c) temperature

4.       The altimeter shows how high above the sea-level an aircraft is flying.

a) above

b) below

c) under

5.       The adjective barometric relates to air pressure.

a) humidity

b) pressure

c) temperature

6.       The turn coordinator reacts to roll and rate of turn.

a) displays

b) corresponds with

c) reacts to

7.       The variometer detects changing air pressure.

a) detects

b) adjusts

c) calibrates

Key: 1. c); 2. c); 3. b); 4. a); 5. b); 6. c); 7. a)