İndicator- something which shows information Descend

Reliability- dependability

Eliminate-remove

Lightning- powerful and sudden electrical discharge from a cloud

Turbulence- an irregular motion of the atmosphere

Thunderstorm- a violent weather condition

Windshear- a change in wind direction and speed between slightly different altitudes

Multifunction display- an electronic cockpit instrument which displays information such as weather radar or navigation data.

Weather radar- is a type of radar used to provide an indication to pilots of the intensity of convective weather.

Equipment- devices

Antenna- a device to send or receive radio or signals

Duplexer- is an electronic device that allows bi-directional (duplex) communication over a single path.

Symbol Generator- The EFIS visual display is produced by the symbol generator

Microprocessor- A small central processing unit (CPU) for a microcomputer.

Radome- The protective covering of a radar antenna.

Hazardous-dangerous

Alert- the state of being watchful for possible danger.

Guide- something that directs or indicates

Airspeed- the speed of the aircraft relative to the air around it

Acceleration- increasing the speed of something or of going faster

Mode- particular selected setting for the operation or functioning of equipment

Direct- in a straight line

Phase- a stage or part

Band- a range of numbers or frequencies between two limits within a radio system

Announce- to state something publicly or officially

Terrain- land

Knob- a rounded handle

Decoder- a device used to decode signals from the air traffic control radar beacon system

Channel- special frequency band for the transmission of radio signals

Beam- A radio signal sent continuously in one direction.

Selector- a manually operated device like a switch, which offers a choice of settings

Indicate- to show or point out

distance-space between two places or points, or the measurement of such a space

reference- something used as a basis for further calculation

variable- changing or changeable

compare- to find the similarities and dissimilarities between two or more things

identification-the process by which an aircraft is recognised

microburst- a particularly strong windshear especially associated with thunderstorms

motion- changing position or place

mounted- fixed to a support