M11.5.1

Question 1

What is ISA pressure at 15°C?

Answer 1

1013.25 Hectopascals

Question 2

As altitude increases by 30 feet what happens to pressure?

Answer 2

For every 30 feet, pressure decreases by one Hectopascal

Question 3

What does QFE stand for?

Answer 3

Pressure at field elevation

Question 4

What does QNH stand for?

Answer 4

Pressure at sea level

Question 5

Total pressure equals what?

Answer 5

Static pressure plus dynamic pressure

Question 6

What is VSO?

Answer 6

Stall speed with flats and gears down (Landing configuration)

Question 7

What is VFE?

Answer 7

Max allowable speed with flaps extended

Question 8

What is VSI?

Answer 8

Stall speed in clean configuration with max weight

Question 9

What is VNO?

Answer 9

Maximum air speed for cruise flight

Question 10

What is VNE?

Answer 10

Speed never exceed

Question 11

What colour band is the normal operating range?

Answer 11

Green

Question 12

What colour band is full flap operating range?

Answer 12

White

Question 13

What is the caution range and what colour band is it represented by?

Answer 13

It is the range that can be reached only at smooth air and without hard manoeuvers and is represented by a yellow band

Question 14

What is VMO?

Answer 14

Max operating velocity

Question 15

What is MMO?

Answer 15

Maximum allowed Mach number

Question 16

What type of pressure does the vertical speed indicator use?

Answer 16

Static pressure

Question 17

What does TAT stand for?

Answer 17

Static air temperature

Question 18

What does OAT stand for?

Answer 18

Undisturbed air temperature/outside air temperature

Question 19

What material are the tubes made of for the Pitot static system and why?

Answer 19

Aluminium because it is lightweight

Question 20

What are the four things that can cause static source error?

Answer 20

Fuselage shape, airspeed, angle of attack, and flap and gear positions

Question 21

What prevents rain and dust getting into the Pitot static probe?

Answer 21

Baffles

Question 22

What can the Pitot probe also be known as?

Answer 22

The prandtl tube

Question 23

What are 3 ADUs called?

Answer 23

An ADRIU (air data inertial reference unit)

Question 24

What happens if the pilot deviates more than 300ft? And what happens if landing gear is selected?

Answer 24

There is a chime in the headset and a visual warning, if landing gear is selected it will switch off automatically

Question 25

What happens if the pilot deviates beyond 900ft?

Answer 25

The system will automatically switch off because the system assumes that the pilot is changing flight level

Question 26

When does an over speed warning occur?

Answer 26

When airspeed is higher than VMO or MMO

Question 27

What is a stall warning?

Answer 27

It is a visual, audio warning and can be accompanied by a stick shaker

Question 28

What can the flight data recorder withstand?

Answer 28

1000g and 1000°C

Question 29

How can beacons be activated?

Answer 29

Seawater at 40kHz (lasts 30days and can withstand more than 3000m) and motion

Question 30

How much data does the FDR store?

Answer 30

25hrs worth of data and then overrides itself

Question 31

Gyro stability depends on 3 factors, what are they?

Answer 31

Mass, rotational speed and distance between the axis and the centre of mass

Question 32

What is gyro procession?

Answer 32

It is when a force is applied and the reaction is shifted by 90°

Question 33

What is apparent topple?

Answer 33

15° per hr at the equator and 0° at the pole

Question 34

What is a lubber line?

Answer 34

It is the line used to calculate what a heading is at

Question 35

What is one degree of freedom on a gyro?

Answer 35

The gyro can only spin around it’s axis

Question 36

What is two degrees of freedom on a gyro?

Answer 36

One gimbal

Question 37

What is total drift?

Answer 37

Apparent drift plus real drift

Question 38

What is total topple?

Answer 38

Apparent topple plus real topple

Question 39

How do gyros start?

Answer 39

Started by a vacuum or suction pump

Question 40

What does the suction regulator control?

Answer 40

Keeps suction at about 5 inches of mercury to prevent over speed

Question 41

How many degrees of freedom does a directional gyro have?

Answer 41

3

Question 42

What is a standard turn?

Answer 42

The rate of turn should be 2 mins for a complete turn

Question 43

How long does it take for a gyro to stop spinning after power off?

Answer 43

20mins

Question 44

What is true north?

Answer 44

Reference to geographic North Pole (true heading)

Question 45

What is magnetic north?

Answer 45

Heading with reference to magnetic North Pole

Question 46

What is variation?

Answer 46

The difference between true north and magnetic north

Question 47

What is deviation?

Answer 47

The difference between magnetic north and true north

Question 48

What does EFIS stand for?

Answer 48

Electronic flight instrument system

Question 49

What does ECAM stand for?

Answer 49

Electronic centralised aircraft monitoring

Question 50

What does EICAS stand for?

Answer 50

Engine indication and crew alerting system

Question 51

With local warnings what does each colour mean (red, amber, white)?

Answer 51

Red - immediate action Amber - action required White - switched off

Question 52

What are the three alert levels?

Answer 52

Warnings, cautions and advisories

Question 53

What are the two types of vibration sensor that are used?

Answer 53

Electromagnetic accelerometer and the piezoelectric crystal acceleration