Weather and its impact on Flight Flashcards

1
Q

Composition of the Atmoshphere

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2
Q

Where in the atmosphere does most weather occur?

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3
Q

Describe the three lower levels of the atmosphere

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4
Q

What is the troposphere?

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5
Q

What is the tropopause?

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6
Q

What is the stratosphere?

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7
Q

What are the three characteristics of the Atmosphere?

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8
Q

Describe the three characteristics of the atmosphere

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9
Q

What results from the three characteristics of the atmosphere?

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10
Q

How is air pressure measured?

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11
Q

Name the two types of atmospheric pressure used in aviation:

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12
Q

Altimeter Setting

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13
Q

ICAO Standard Atmosphere

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14
Q

Define Dew point

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15
Q

Define Relative Humidity

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16
Q

How does water vapour impact Aviation?

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17
Q

Define Saturated Air

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18
Q

Define Minute Solid Particles

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19
Q

Define Condensation

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20
Q

Define Sublimation and Deposition

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21
Q

Define Profile Drag

22
Q

Define Parasite Drag

23
Q

Define Induced Drag

24
Q

Define Angle of Attack

25
How is lift altered?
26
what are the three prime factors affecting air density?
27
Name the three axis of rotation
28
Name the flight control surfaces and which axis of rotation they control
29
Name the systems aircraft use to combat icing:
30
Name the types of icing
Clear Ice Rime Ice Hoar Ice Mixed Ice
31
Describe Clear Ice
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Describe Rime Ice
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Describe Hoar Ice
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Describe Mixed Ice
35
What are the four intensities of icing?
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How does ice accumulate on the ground vs in the air?
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Describe effects of icing in flight
-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
38
Methods to protect aircraft from icing
- 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
39
How do pilots avoid icing? Two methods:
40
How is wind described?
41
What are isobars?
42
What are Lows?
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What are highs?
44
What are troughs and ridges?
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Describe Jet Stream
46
What are the characteristics of Jet Streams?
47
Where are jet streams found in Canada?
48
Define Cloud
49
Name the two types of weather reports and describe them:
50
Name the two basic cloud types and describe them
51