Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PPL - Meteorology > Visibility > Flashcards

Visibility Flashcards

1
Q

What are the 2 definitions of visibility (not VMC or IMC)

A
  1. Flight Visibility
  2. Meteorological Visibility
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Haze is typically associated with what sort of pressure system

A

HIGH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

In haze, the visible horizon is CLOSER or FURTHER than we think

A

CLOSER

Objects are CLOSER than we think they are

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

In haze, where can a pilot obtain better distance visibility

Visibility distance is constant

A

FLYING LOWER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

To see further through the haze layer, where should a pilot fly

A

ABOVE HAZE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How can a pilot obtain clearer identification of an airfield layout when flying in haze

A

FLY ABOVE HAZE

Vertical visibility above haze layer allows cleared identification of airfield layouts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the visibility range definition of mist

A

BETWEEN 1000m and 5000m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the visbiility range definition of fog

A

LESS THAN 1000m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What type of fog is prevelent in coastal areas

A

ADVECTION FOG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What causes advection fog

A

Moist air mass moving over cooler surface
Air mass temperature drops, humidty increases to saturation point (100%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What type of fog is difficult to forecast

A

RADIATION FOG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What type of fog only forms over land

A

RADIATION FOG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What conditions are required for radiation fog

A
  1. Clear / cloudless night
  2. Light wind (2 - 8 kts)
  3. Typically form after dawn
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What season is radiation fog most likely to occur
Why

A

AUTUMN
Diurnal variation at its greatest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of fog is defined below

The distinction between cloud and fog may become blurred, with an indistinct cloud base

A

FRONTAL FOG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

raindrops on the windshield can do what

A
  1. Reflect
  2. Refract
  3. Make vision difficult
17
Q

Flight in drizzle usually results in what visibility

A

3000m or LESS

18
Q

Flight in what sort of condition can typically result in zero visibility

A

FLIGHT IN SNOW

19
Q

What weather condition should a pilot never fly in

A

HAIL

20
Q

During the day when the sun is low to the ground, especially in a hazy condition, how can the best visibility be obtained

A

FLY OUT OF SUN

Fly with sun behind you

21
Q

When flying at night, how can better visibility be obtained

A

FLYING INTO MOONLIGHT

Fly with moon ahead of you

22
Q

What are the following visibility codes and descriptions

HZ
DU
FU

A
  1. HZ - Haze
  2. DU - Dust
  3. FU - Smoke

REMEMBER: Fuck You (FU) Smoke!

23
Q

What are the following visibility codes and descriptions

SA
FG
BR

A
  1. SA - Sand
  2. FG - Fog
  3. BR - Mist

REMEMBER: BRain MIST

24
Q

What are the following visibility codes and descriptions

FZ
BL
MI

A
  1. FZ - Freezing
  2. BL - Blowing
  3. MI - Shallow

REMEMBER: MIami SHALLOWS

25
Q

What are the following visibility codes and descriptions

PR
BC
SS

A
  1. PR - Banks
  2. BC - Patches
  3. SS - Sandstorm

REMEMBER: PRanks sounds like BANKS
REMEMBER: Broken Cloud PATCHES

26
Q

What are the following visibility codes and descriptions

DS
PO
UP

A
  1. DS - Dust Storm
  2. PO - Dust Devil
  3. UP - Undefined Precipitation

REMEMBER: POor Taz = Taz Devil = Dust Devil

27
Q

What is the visibility in a forecast reported as 9999

A

GREATER THAN 10km

28
Q

What does RVR in a report stand for

A

RUNWAY VISUAL RANGE

29
Q

When are RVRs included in a report usually

A

When visibility is LESS than 1500m

30
Q

In an RVR report, what does the following mean
R06 / 0450

A

R06 = Runway designation
0450 = Visibility 450 m

Runway 06 has visibility of 450m

31
Q

In an RVR report, what does the following mean
R32 / P1500

A

R32 = Runway designation
P1500 = Visibility greater than 1500m

Runway 32 has visibility more than 1500m

32
Q

What are the 4 key parameters of CAVOK

A
  1. No Cloud below 5000ft
  2. Visibility of 10km or more
  3. No CB or TCB
  4. No significant weather affecting aviation

PPL - Meteorology (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions