Chapter 6.3 - Exam Review

Question 1

Using the wind component table, find the crosswind and headwind component from:

RWY direction 310°M Wind Velocity 340°M/20kt?

Answer 1

18kt HWC and 10kt XWC from the right.

Question 2

Using the wind component table, find the crosswind and headwind component from:

RWY direction 150°M Wind Velocity 110°M/15kt?

Answer 2

12kt HWC and 9kt XWC from the left.

Question 3

Using the wind component table, find the crosswind and headwind component from:

RWY direction 240°M Wind Velocity 300°M/10kt?

Answer 3

5kt HWC and 9kt XWC from the right.

Question 4

Using the wind component table, find the crosswind and headwind component from:

RWY direction 060°M Wind Velocity 105°M/20kt?

Answer 4

14kt HWC and 14kt XWC from the right.

Question 5

Using the wind component table, find the crosswind and headwind component from:

RWY direction 010°M Wind Velocity 335°M/30kt?

Answer 5

27kt HWC and 15kt XWC from the left.

Question 6

The height above sea level in the ISA which is the elevation (or Altitude) corrected for non-standard pressure is known as the (density height/pressure height)?

Answer 6

Pressure Height.

Question 7

Pressure height is the reading on the Altimeter when the pressure subscale is set to (QNH/ 1013 hPa)?

Answer 7

1013 hPa.

Question 8

If the MSL pressure at an aerodrome is lower than standard (1013 hPa), the pressure height will be (higher/lower) than the aerodrome’s elevation and vice versa?

Answer 8

Higher.

Question 9

If the elevation of an aerodrome is 750ft and the local QNH is 1016 hPa, what is the pressure height of the aerodrome?

Answer 9

660ft [750 – (3 x 30)].

Question 10

If the elevation of an aerodrome is 1500ft and the local QNH is 1006 hPa, what is the pressure height?

Answer 10

1710ft [1500 ÷ (7 x 30)].

Question 11

True or False. Takeoff and landing weight charts correct for density height automatically by entering the charts with pressure height and temperature?

Answer 11

True.

Question 12

When the actual temperature is higher than standard, the density height will be (higher/lower) than pressure height and vice versa?

Answer 12

Higher.

Question 13

Convert 200 km to NM (to the nearest whole number)?

Answer 13

108 NM [200 km ÷ 1.8].

Question 14

Convert 90 NM to Km (to the nearest whole number)?

Answer 14

167 km [90 NM x 1.8].

Question 15

Convert 360lb to Kg (to the nearest whole Kg)?

Answer 15

163 Kg [360 lb x 0.4].

Question 16

Convert 30 US gal to Litres (to the nearest whole Litre)?

Answer 16

114 Litres [30 US gal x 3.7].

Question 17

Convert 150 Litres to US Gallon?

Answer 17

40 US gal [150 Litres ÷ 3.7].

Question 18

What is the specific gravity of AVGAS?

Answer 18

0.71.

Question 19

Find the approximate weight of 120 Litres of AVGAS in Kg and lb?

Answer 19

84 Kg and 192 lb [120 Litres x 0.7] and [120 Litres x 1.6].

Question 20

Find the approximate weight of 60 US Gallon of AVGAS in Kg and lb?

Answer 20

162 Kg and 360 lb [60 US gal x 2.7] and [60 US gal x 6].

Question 21

Find the volume (in Litres and US Gallons) of 140Kg of AVGAS?

Answer 21

200 Litres and 52 US gal [140 Kg ÷ 0.7] and [140 Kg ÷ 2.7].

Question 22

What is the approximate weight of 5 Litres of aviation Oil in Kg and lb?

Answer 22

5 Kg and 10 lb [5 Litres x 1] and [5 Litres x 2].

Question 23

What is the density height (to the nearest 500ft) at an aerodrome (elevation 420 ft) where the QNH is 1020 hPa and the temperature is 25°C?

Answer 23

1500 ft [1470 ft].

Question 24

What is the density height (to the nearest 500ft) at an aerodrome (elevation 1500 ft) where the QNH is 998 hPa and the temperature is 5°C?

Answer 24

1000 ft [1110 ft].