Meteorology

The Atmosphere

Structure of the Atmosphere

International Standard Atmosphere

The States of Water

Humidity and Dew Point

1 Quiz

The Atmosphere Quiz

Movement in the Atmosphere

Transfer of Heat

Convergence & Divergence

Synoptic Chart Components

Synoptic Features

1 Quiz

Movement in the Atmosphere Quiz

Atmospheric Stability

Atmospheric Stability

How Inversions Form

1 Quiz

Atmospheric Stability Quiz

Localised Winds

Sea and Land Breeze

Anabatic and Katabatic Winds

1 Quiz

Localised Winds Quiz

Clouds

How Clouds Form

Cloud Categories

Types of Clouds

1 Quiz

Fronts

Occluded Fronts

1 Quiz

Visibility and Fog

Slant Visibility

Visibility, Fog and Pilots

1 Quiz

Visibility and Fog Quiz

Aircraft Icing

Icing and its Hazards

1 Quiz

Aircraft Icing Quiz

Thunderstorms

Thunderstorm Formation

Stages of a Thunderstorm

Thunderstorm Hazards

1 Quiz

Thunderstorms Quiz

Altimetry

Altitudes and Flight Levels

Temperature Error

1 Quiz

Weather Reports and Forecasts

The Language of the Weather

Weather and Clouds

1 Quiz

Report & Forecast Decoding Practice

Synoptic Charts

Significant Weather Charts

Satellite and Radar Images

1 Quiz

Weather Charts Quiz

In-Flight Weather

1 Quiz

TAFs, METARs & In-Flight Weather Quiz

Practice Exam

Meteorology Exam

2 Quizzes

Meteorology Practice Questions

Meteorology Mock Exam

Aircraft Icing Quiz

Meteorology Engine Icing Aircraft Icing Quiz

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Question 1 of 8

1. Question
Of the below situations, which one has the highest likelihood of producing clear ice on the airframe in flight?
- Flying in the cold air under an approaching warm front, in rain, while the outside air temperature is less than 0°C
- Flying through persistent and heavy snow
- Descending into warm and moist air after flying in dry air with an outside air temperature of less than 0°C
- Flight through cloud with a temperature of -20°C
Correct

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Question 2 of 8

2. Question
Rain ice can seriously degrade performance and cause safety issues to an aircraft. Which of the below is most likely to result in rain ice?
- Flying above the freezing level in the cold air before an advancing warm front
- Flying below the freezing level in the cold air before an advancing warm front
- Flying above the freezing level in the warm air behind an advancing warm front
- Flying below the freezing level in the warm air behind an advancing warm front
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Question 3 of 8

3. Question
Airframe icing:
- Will reduce lift, increase drag, and increase weight, all of which will reduce aircraft performance
- Reduces friction between the air and the airframe skin, reducing drag and increasing aircraft performance
- Is not possible when flying clear of cloud and in sight of the surface
- Will reduce airspeed, meaning fuel consumption per mile flown increases but it is not a major risk to flight safety
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Question 4 of 8

4. Question
Flying through cloud with an outside air temperature (OAT) of -7°C, a pilot should expect:
- Primarily rime ice to form on the leading edges, though other types of icing are possible too
- Primarily clear ice to form spread across the entire airframe, though other types of icing are possible too
- No ice to form as any water droplets in the atmosphere will already be frozen ice pellets that will not attach to the airframe
- Only rime ice to form
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Question 5 of 8

5. Question
While completing the pre-flight inspection on your aircraft, you find ice on the airframe. What should you do?
- All ice must be removed from the airframe before departure
- Ice on the airframe that is more than half an inch thick must be removed. Ice less than half an inch thick is acceptable for a departure in which you can remain clear of cloud
- All ice must be removed from any flying surfaces. After removing ice from the wings, tail, and control surfaces the aircraft is safe to fly
- If the air temperature is above 0°C it is acceptable to depart with ice on the airframe as it will melt
Correct

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Question 6 of 8

6. Question
Which of the following conditions are most favourable for ice accretion?
- Temperatures between 0°C and -20°C, presence of clouds
- Temperatures between -20°C and -40°C, presence of clouds
- Temperatures between +10°C and -30°C, presence of clouds
- Temperatures below 0°C, strong winds, sky clear of clouds
Correct

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Question 7 of 8

7. Question
Refer to the diagram below.

What is the risk of carburettor icing while taxiing with a temperature of 15°C and a dew point of 6°C?
- Serious Icing
- Moderate Icing
- Light Icing
- Nil Icing
Correct

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Question 8 of 8

8. Question
Which of the below listed conditions is NOT likely to result in carburettor icing?
- All of these conditions are likely to produce carburettor icing
- Cruising slightly below cloud base with an outside air temperature of +4°C
- Expediting descent by reducing power to idle with an outside air temperature of +23°C
- Climbing through a cloud layer with an outside air temperature of -5°C
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