Flight Hazards | PPL(A) Meteorology - EASA & UK CAA

Hazards in mountainous areas

Question 1

The sign of a mountain wave can be:

Question 2

Select the correct option(s):

Question 3

Select the correct option(s):

Icing

Question 1

In icing conditions:

Question 2

In icing conditions:

Question 3

Hoar frost:

Question 4

How can icing conditions and icing effects be avoided?

Question 5

Select the correct option(s):

Question 6

Rime ice:

Question 7

Clear ice:

Inversions

Question 1

Select the correct option(s):

Question 2

Vertical currents within the oscillations of mountain waves can reach __(1)__. The combination of these strong vertical currents is called __(2)__.

Question 3

Select the correct option(s):

Question 4

On the leeward side of mountain ranges, the air:

Question 5

When frontal clouds approach a mountain chain:

Thunderstorms

Question 1

Select the correct option.

Question 2

Cumulonimbus development associated with fronts:

Question 3

Thunderstorms which generally produce the most intense hazard to aircraft are:

Question 4

Select the correct option(s):

Question 5

Convection type Cumulonimbus:

Question 6

Thunderstorm avoidance can mean:

Question 7

Select the correct option(s):

Question 8

Mammatus clouds (Cumulonimbus mammatus):

Question 9

As the aircraft passes thorough the downburst, after the strong headwind the wind becomes a strong tailwind, and:

Question 10

What is a downburst affecting an area 4 km in diameter or less?

Question 11

Select the correct option(s):

Question 12

What is a strong downdraft that causes an outflow of damaging winds at or near the surface?

Question 13

The triboelectric effect:

Question 14

From the following, select the correct option.

Question 15

An aircraft approaching a downburst will first encounter:

Question 16

Select the correct option(s):

Question 17

Select the correct option(s):

Question 18

The conditions necessary for the formation of thunderstorms:

Question 19

In the towering cumulus stage:

Question 20

In the mature stage:

Question 21

In the dissipating stage of a thunderstorm:

Question 22

Select the correct option regarding thunderstorms:

Question 23

Static dischargers:

Turbulence

Question 1

Select the correct option(s):

Question 2

When the wind flows around an obstruction:

Visibility-reducing phenomena

Question 1

In terms of visibility which of the following phenomena causes the greatest obscuration?

Question 2

You take-off from a coastal airfield in hazy conditions during sunrise. Which of the following runways will provide the WORST visibility?

Question 3

If you encounter blowing snow, to what minimum can the visibility be reduced?

Question 4

Select the correct option(s):

Question 5

Solid particles acting as a visibility reducer is/are:

Question 6

In unstable air, surface visibility is most likely to be restricted by:

Question 7

Reduction in visibility due to precipitation depends on:

Wind shear

Question 1

In a wind shear situation, when the aeroplane crosses the shear plane and the headwind increases:

Question 2

Conditions where wind shear exists include:

Question 3

Atmospheric conditions where wind shear exists include:

Question 4

Wind shear conditions:

Question 5

Wind shear is the change in:

Question 6

Wind shear avoidance during take-off:

Question 7

Wind shear avoidance during an approach:

Question 8

Wind shear avoidance steps: