NAV - Wind Effects

Question 1

How is wind expressed? (3)

Answer 1

• 3 figure group (e.g. 360°)
• True North
• Magnetic North when displayed in ATC

Question 2

What is Wind velocity? (1)

Answer 2

Wind direction + Wind Speed

Question 3

What 3 vectors affect aircraft behaviour? (3)

Answer 3

• Hdg + TAS
• W/V
• Tk + GS

Question 4

What is Drift Angle? (2)

Answer 4

• If there was no wind, Hdg & TAS would be the same as TK & GS
• When there is wind, the angle between Hdg & Tk is known as Drift Angle

Question 5

What is Track made good? (1)

Answer 5

Once airborne, the track that the aircraft actually traces over the ground

Question 6

What is Track error? (1)

Answer 6

The angle between Required Track and Track Made Good

Question 7

What is plotting?

Answer 7

Physical calculation of an aircraft’s flight progress by drawing a Triangle of Velocity

Question 8

What is TAS measured alongside with? (1)

Answer 8

Heading vector

Question 9

What is GS measured alongside with? (1)

Answer 9

Track vector

Question 10

What can Heading & Track be measured in? (3)

Answer 10

1. True (T)
2. Magnetic (M)
3. Compass (C)

Question 11

What equipment can be used to draw vectors on paper? (1)

Answer 11

A CRP-5 Computer

Question 12

What does the Surface wind at the aerodrome dictate? (2)

Answer 12

1. The direction of take-off and landing
2. The time and distance is takes to get airborne

Question 13

How can calculating the headwind & crosswind of a Surface wind be achieved? (3)

Answer 13

1. Drawing vectors
2. Simple Mental method
3. Use of a table (Crosswind component)

Question 14

How is the Simple Mental Method calculated?

Answer 14