an instrument that measures an aircraft’s acceleration

a primary cockpit or flight deck instrument which shows the pilot the speed of the aircraft in relation to the air around it

a radio instrument for measuring vertical distance or altitude

an instrument for measuring amperes in order to give the strength of an electric current

an instrument which maintains a continuous recording of wind direction and speed on a graph

an instrument with three or four ‘cups’ which rotate with the wind thus providing wind-speed information

an instrument or system that helps an air traffic controller to track the position and movements of an aircraft during its approach.

an instrument that displays the degree of pitch or bank of an aircraft relative to the horizon

a flight instrument that gives the pilot information about the position of the aircraft in the air in relation to the horizon

a radio navigation instrument that receives signals from non-directional radio beacons

an instrument for measuring and recording atmospheric pressure

an instrument for measuring the atmospheric pressure

an instrument usually with a magnetic needle which always points to the magnetic north

the face of an instrument showing a scale

a gyroscopic instrument which indicates direction but does not have a north-seeking magnet

an instrument which gives direction information

the appearance of information on a monitor screen or on the panel of an instrument or of an indicator

instruments which give the pilot information about engine temperature, speed, etc

instruments used by the flight crew when flying an aircraft

an instrument indicating fuel contents

an instrument for measuring or testing

a series of fine lines in an optical instrument such as a telescope, used for measuring

device consisting of a spinning wheel, mounted on a base so that its axis can turn freely in one or more directions and thereby maintain its own direction even when the base is moved

an instrument which gives course or direction information

a cockpit system where data from flight instruments is projected onto a screen or the windscreen so that the pilot can see it without having to look down

an instrument with a mirror to send messages by reflecting the sun

a cockpit instrument which gives the pilot information about the direction of the aircraft’s flight path

used for the measurement of humidity

a device for recording, measuring or controlling, especially functioning as part of a control system

a set of specialised instruments on an aircraft

aids for an instrument landing approach to an airfield, consisting of a localiser, glide slope, marker beacons and approach lights

an instrument to indicate the temperature of air entering an engine

an instrument that uses beams of laser light in a closed circuit to detect whether something is level or not

a component of the instrument landing system that provides horizontal course guidance to the runway

A device for determining direction measured from magnetic north

an instrument for measuring the Mach number of an aircraft

an instrument reading of zero

a cockpit instrument that displays V O R information and is used for radio navigation

an instrument for measuring pressure

the six instruments displayed on the instrument panel immediately in front of the pilot

a cockpit navigation instrument which combines a bearing indicator and a heading indicator

wireless transmission through space of electromagnetic waves

a device for measuring the height of the aircraft above the Earth using reflected radio waves

an instrument that shows the pilot if the aircraft is in coordinated flight or if it is slipping or skidding

an instrument for the measurement of revolutions per minute of a rotating shaft

an instrument for measuring temperature

a device in an aircraft for receiving a radio signal and automatically transmitting a different signal so that an air traffic control station can identify the aircraft

a flight instrument which indicates the rate of climb and descent

an instrument used for measuring the rate of climb of an aircraft such as a glider