International Standard Atmosphere Flashcards

1
Q

What is the pressure at Mean Sea Level (MSL) in hPa?

A

1013.25

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

What is the pressure at MSL in mb?

A

1013.25

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

What is the pressure at MSL in inHg (inches of mercury) ?

A

29.92

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

What is the temperature at MSL?

A

+15C

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

What is the density at MSL in grams?

A

1225g/m^3

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

What is the density at MSL in kg?

A

1.225kg/m^3

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

What is the lapse rate up to the tropopause in km?

A

6.5C per km

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

What is the lapse rate up to the tropopause in ft?

A

1.98C per 1000ft (often rounded up to 2C)

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

What is the height of the tropopause in km and ft?

A

11km and 36090 ft

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

What is the range of the troposphere in km and ft?

A

From MSL up to 11km or 36,090ft

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

What does ISA stand for?

A

International Standard Atmosphere

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

What is the range of the stratosphere in km?

A

From 11km to 20km

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

What is the range of the stratosphere in ft?

A

From 36090ft to 65617ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the stratosphere also known as?

A

The isothermal layer

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

What is the height of the stratopause?

A

20km or 65617ft

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

What is the temperature in the stratosphere?

A

A constant temperature of -56.5C

17
Q

In the mesosphere what is the rate at which temperature rises in km?

A

1C per km

18
Q

In the mesosphere what is the rate at which temperature rises in m?

A

0.1C per 100m

19
Q

In the mesosphere what is the rate at which temperature rises in ft?

A

0.3C per 1000ft

20
Q

What is the temperature at 32km or 104987ft?

A

-44.7C

21
Q

What is the lapse rate up to the tropopause in m?

A

0.65C per 100m

22
Q

What is the temperature in the isothermal layer and what is its defining feature?

A

It has a constant temperature of -56.5C

23
Q

The ICAO ISA is an MSL temperature of?

A

+15C

24
Q

The ICAO ISA is an MSL pressure of (in hPa)?

A

1013.25

25
Q

The ICAO ISA is an MSL density of (in grams/m^3)?

A

1225

26
Q

The ICAO ISA is a lapse rate of [what] up to [what] in m and km?

A

0.65C/100m up to 11km

27
Q

The ICAO ISA is a constant temperature of [what] up to [what] in km?

A

-56.5C up to 20km

28
Q

The ICAO ISA has a constant temperature of [what] from [what] height up to [what] height in ft?

A

-56.5C from 36,090 ft up to 65,617ft

29
Q

The ICAO ISA is an increase of temperature in the mesosphere of [what] from [what] height up to [what] height in m and km?

A

0.1C per 100m up to 32km

30
Q

According to ISA the rate of temperature increase in the mesosphere is [what] from a height of [what] up to a height of [what] in celsius and feet?

A

the rate of temperature increase in the mesosphere is 0.3C per 1000ft from a height of 36,090ft up to a height of 104,987ft

31
Q

The ICAO ISA is a lapse rate of [what] up to [what] in ft?

A

1.98C/1000ft up to 36090ft

32
Q

The ICAO ISA is an MSL density of what in kg/m^3?

A

1.225