Jki - Air Navigation Instruments

Front 1

What is the dash of an aircraft called?

Back 1

Flight panel.

Front 2

What is the internationally agreed order that the flight panel is in called?

Back 2

Basic T

Front 3

What are the three main categories that aircraft instruments fall into?

Back 3

Pressure-operated
Gyroscopic operated
Engine and Ancillary

Front 4

Illustrate the basic components of a magnetic compass.

Back 4

.

Front 5

Illustrate the configuration of the Basic T.

Back 5

.

Front 6

Name the three main parts of a compass.

Back 6

The container
The compass bowl
The magnet system

Front 7

What is the compass container made out of?

Back 7

A non-metallic substance.

Front 8

The compass container houses a number of ____ and ____ ____ to absorb shock and aircraft vibration to prevent damage.

Back 8

coils, leaf springs

Front 9

The magnet system inside the bowl is immersed in ____. It consists of a number of magnets fixed ____ to each other and freely ____ from a ____ above their common ____ ____ ____. The magnets lie in the ____ ____.

Back 9

fluid, parallel, suspended, pivot, center of gravity, magnetic meridian.

Front 10

Name the essential features of an ideal aircraft compass.

Back 10

Sensitivity
Horizontally
Periodicity (The magnet system and pointer must not oscillate about the direction of the magnetic meridian (dead beat)

Front 11

An artificial horizon employs a ____ ____ ____ ____, having freedom in all three planes and indicates the aircrafts attitude in ____ and ____.

Back 11

vertical axis Earth gyro, pitch, roll

Front 12

Name the four essential pressure instruments in an aircraft.

Back 12

Altimeter
Vertical Speed Indicator
Airspeed Indicator
Mach Meter

Front 13

What does ASI, AI, and DI stand for?

Back 13

Air speed indicator, Artificial horizon, Directional indicator.

Front 14

What type of pressure does not involve any motion of the aircraft relative to the air, but is the ambient pressure around the object?

Back 14

Static pressure

Front 15

What type of pressure is created by the forward movement of the aircraft?

Back 15

Dynamic pressure

Front 16

What is the name of static and dynamic pressure together?

Back 16

Pitot pressure

Front 17

Total pressure (____ and ____ pressure, also known as ____ pressure) , is measured by a ____ ____.

Back 17

static, dynamic, pitot, pitot probe

Front 18

Static pressure is measured either by the ____ ____ on a pitot probe, or by a separate ____ ____.

Back 18

static port, static vent.

Front 19

Illustrate the pitot-static system.

Back 19

.

Front 20

Pressure around an aircraft ____ with an increase in height.

Back 20

reduces

Front 21

It is assumed that pressure falls by approximately 1 millibar for every ____'.

Back 21

27

Front 22

A pressure altimeter is an ____ ____, which measures ____ ____.

Back 22

Aneroid barometer, atmospheric pressure

Front 23

The round, thin corrugated capsule within an altimeter is nearly ____ at sea level, and ____ with height, a process assisted by a ____ ____ trying to force the capsule open against atmospheric conditions.

Back 23

flat, expands, leaf spring

Front 24

The VSI instrument measures the rate of change of ____ pressure and displays this as a rate of ____ or ____.

Back 24

static, climb, descent

Front 25

With the VSI, the ____ is fed with ____ pressure and reacts immediately to any change, whereas the static pressure fed into the ____ is slowed by a ____ ____, thus creating a differential static pressure between the ____ and the ____. As long as the aircraft continues to climb or descend, the VSI will display this.

Back 25

capsule, static, case, metering unit, capsule, case

Front 26

The VIS consists of a capsule held in an ____ case.

Back 26

airtight

Front 27

Illustrate an altimeter dial.

Back 27

.

Front 28

Illustrate the mechanics of an altimeter.

Back 28

.

Front 29

Illustrate the mechanics of a VSI.

Back 29

.

Front 30

Illustrate the dial of a VSI.

Back 30

.