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Nav - Speed and Altimetry

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.

Airspeed and groundspeed are equal when..

a)

the aircraft has a tailwind

b)

the aircraft has a headwind

c)

there is nil wind

2.

What is groundspeed is measured relative to?

a)

the ground

b)

the airmass through which it travels

c)

the proceeding traffic

d)

speed of sound

3.

What is the difference between IAS and EAS?

a)

pressure error

b)

compression error

c)

position and density error

d)

position and compression error

4.

Instrument error is due to..

a)

wear and tear

b)

the aircraft sideslipping

c)

density reducing with altitude

d)

air molecules compressing in the instrument

5.

The error between EAS and TAS is

a)

instrument error

b)

position error

c)

compression error

d)

density error

6.

Speed is a measure of _____ and velocity is a measure of ______

a)

magnitude, magnitude and direction

b)

magnitude and direction, magnitude

c)

magnitude, direction

d)

magnitude and direction, acceleration

7.

the difference between heading and track is

a)

track error

b)

track angle

c)

correction angle

d)

drift angle

8.

Wind angle is the difference between...

a)

track and wind direction

b)

heading and wind direction

c)

track and heading

d)

drift and wind direction

9.

The angle between the track required and track made good is ...

a)

track angle

b)

drift angle

c)

track error

d)

wind angle

10.

Track made good is...

a)

the planned track

b)

the track required to reverse track back to departure

c)

the track from current position to destination

d)

the actual track of the aircraft

11.

TAS: 120kts, Wind: +13kts.

What is the aircraft's GS?

a)

133kts

b)

107kts

c)

cannot calculate with data given

12.

Aircraft flying at 140kts with a tailwind of 35kts gives an IAS of...

a)

105kts

b)

115kts

c)

140kts

d)

175kts

13.

What is the heading/TAS vector symbolised with?

a)

a 1 headed arrow

b)

a 2 headed arrow

c)

a 3 headed arrow

d)

a straight line

14.

What vector is represented by a 2 headed arrow?

a)

HDG/TAS

b)

HDG/GS

c)

TRK/TAS

d)

TRK/GS

15.

What is height?

a)

vertical distance measured from a specified datum

b)

vertical distance measured from the ground

c)

vertical distance measured from mean sea level

d)

vertical distance of an object

16.

What is altitude?

a)

vertical distance measured from a specified datum

b)

vertical distance measured from the ground

c)

vertical distance measured from mean sea level

d)

vertical distance of an object

17.

What is measured from the datum of 1013.25hPa

a)

Height

b)

Altitude

c)

Pressure Altitude

d)

Elevation

18.

Altitude is influenced by atmospheric density

a)

true

b)

false

19.

QNH means ____

a)

sea level pressure

b)

ISA sea level pressure (1013.25)

c)

pressure from a specified datum

d)

0ft is set on the altimeter

20.

QFE means ____

a)

sea level pressure

b)

ISA sea level pressure (1013.25)

c)

pressure from a specified datum

d)

aerodrome elevation is set on the altimeter

21.

QNE means ____

a)

sea level pressure

b)

ISA sea level pressure (1013.25)

c)

pressure from a specified datum

d)

aerodrome elevation is set on the altimeter

22.

What do the altimeter settings read:

QNH, QFE, QNE

a)

altitude, pressure altitude, height above a datum

b)

height above a datum, altitude, pressure altitude

c)

pressure altitude, height above a datum, altitude

d)

altitude, height above a datum, pressure altitude

23.

The transition altitude is ...

a)

13,000ft

b)

15,000ft

c)

between 13,000ft and FL150

d)

FL150

24.

The transition level is ...

a)

13,000ft

b)

15,000ft

c)

between 13,000ft and FL150

d)

FL150

25.

The transition layer is ...

a)

13,000ft

b)

15,000ft

c)

between 13,000ft and FL150

d)

FL150

26.

An aircraft tracks at 5000ft from an area QNH of 1001hPa to an area QNH of 1024 hPa without changing the altimeter setting. The aircraft will be...

a)

higher than the reading

b)

lower than the reading

c)

at the same altitude as the reading

d)

impossible to tell

27.

Oamaru temp = 27 degrees

Queenstown temp = 16 degrees

An aircraft is on track to QN from CH at 8,500ft. The altimeter will...

a)

Read higher than actual altitude

b)

Read lower than actual altitude

c)

Read the aircraft's altitude correctly

d)

Impossible to tell

28.

Why is it essential the altimeter QNH is updated on cross country flights?

(select all that apply)

a)

The altimeter may be damaged otherwise

b)

To maintain terrain clearance

c)

For aircraft separation

d)

To remain updated with the ATIS

29.

Cruising altitude is based off:

a)

Magnetic heading

b)

Magnetic track

c)

True heading

d)

True track

30.

An aircraft is flying from Christchurch to Wellington above terrain of 5,100ft. What altitude should they fly?

a)

5,500

b)

6,500

c)

7,000

d)

7,500

31.

An aircraft has a heading of 089°M. Drift is 5°R. Variation is 20°W. What altitude should the aircraft fly?

a)

3,000

b)

3,500

c)

4,000

d)

4,500

32.

The speed of an aircraft relative to the airmass in which it is flying is called

a)

TAS

b)

IAS

c)

GS

d)

EAS

33.

An aircraft descending with a constant TAS will have

a)

an increasing IAS

b)

a decreasing IAS

c)

a constant IAS

d)

a fluctuating IAS

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