Weather and its impact on Flight

Question 1

Composition of the Atmoshphere

Answer 1

Question 2

Where in the atmosphere does most weather occur?

Answer 2

Question 3

Describe the three lower levels of the atmosphere

Answer 3

Question 4

What is the troposphere?

Answer 4

Question 5

What is the tropopause?

Answer 5

Question 6

What is the stratosphere?

Answer 6

Question 7

What are the three characteristics of the Atmosphere?

Answer 7

Question 8

Describe the three characteristics of the atmosphere

Answer 8

Question 9

What results from the three characteristics of the atmosphere?

Answer 9

Question 10

How is air pressure measured?

Answer 10

Question 11

Name the two types of atmospheric pressure used in aviation:

Answer 11

Question 12

Altimeter Setting

Answer 12

Question 13

ICAO Standard Atmosphere

Answer 13

Question 14

Define Dew point

Answer 14

Question 15

Define Relative Humidity

Answer 15

Question 16

How does water vapour impact Aviation?

Answer 16

Question 17

Define Saturated Air

Answer 17

Question 18

Define Minute Solid Particles

Answer 18

Question 19

Define Condensation

Answer 19

Question 20

Define Sublimation and Deposition

Answer 20

Question 21

Define Profile Drag

Answer 21

Question 22

Define Parasite Drag

Answer 22

Question 23

Define Induced Drag

Answer 23

Question 24

Define Angle of Attack

Answer 24

Question 25

How is lift altered?

Answer 25

Question 26

what are the three prime factors affecting air density?

Answer 26

Question 27

Name the three axis of rotation

Answer 27

Question 28

Name the flight control surfaces and which axis of rotation they control

Answer 28

Question 29

Name the systems aircraft use to combat icing:

Answer 29

Question 30

Name the types of icing

Answer 30

Clear Ice
Rime Ice
Hoar Ice
Mixed Ice

Question 31

Describe Clear Ice

Answer 31

Question 32

Describe Rime Ice

Answer 32

Question 33

Describe Hoar Ice

Answer 33

Question 34

Describe Mixed Ice

Answer 34

Question 35

What are the four intensities of icing?

Answer 35

Question 36

How does ice accumulate on the ground vs in the air?

Answer 36

Question 37

Describe effects of icing in flight

Answer 37

-loss of lift
-loss of aircraft control
-icing on windshield (visibility)
-icing on pitot tubes or static vents (loss of avionics indicators)
-icing on antennas - reduction in communication efficiency and they could vibrate and break
-engine carbureatos and air intakes - loss of thrust - engine failure
-propellers - loss of thrust
- rotor and stator blades - engine flame out - engine damage from ice chunks

Question 38

Methods to protect aircraft from icing

Answer 38

• Fluids - to protect windshield and propeller blades from icing
• heating devices - two types (electrical and exhaust). they heat critical areas and prevent ice from forming in the first place (very effective)
• Rubber de icer boots - only effective after ice has formed. used to break away ice from leading edges

Question 39

How do pilots avoid icing? Two methods:

Answer 39

Question 40

How is wind described?

Answer 40

Question 41

What are isobars?

Answer 41

Question 42

What are Lows?

Answer 42

Question 43

What are highs?

Answer 43

Question 44

What are troughs and ridges?

Answer 44

Question 45

Describe Jet Stream

Answer 45

Question 46

What are the characteristics of Jet Streams?

Answer 46

Question 47

Where are jet streams found in Canada?

Answer 47

Question 48

Define Cloud

Answer 48

Question 49

Name the two types of weather reports and describe them:

Answer 49

Question 50

Name the two basic cloud types and describe them

Answer 50