Lesson 11 Flight Computer (Wind Side)

Wind problem

Given Info:

Wind true 260

Wind speed 50 kts

True course 240º

True Airspeed 98 kts

Wind problem

Find:

True a/s

True heading

G/S

Wind problem

1. Set grommet under 100

2. Set in wind direction under true heading mark 260

3. Mark wind speed up from grommet 50

4. Rotate compass ring to true course 240

5. Slide mark over TAS 98 kts

6. Read wind correction under mark +10

7. Read ground speed under grommet 50 kts

Wind problem

True a/s 98 kts

True heading 240 + 10= 250

G/S 50 kts

Wind Problem #2

Given Info:

Wind true 030

Wind speed 20 kts

True course 160º

True Airspeed 90 kts

Wind Problem #2

1. Set grommet under 100

2. Set in wind direction under true heading mark 030

3. Mark wind speed up from grommet 20

4. Rotate compass ring to true course 160

5. Slide mark over TAS 90 kts

6. Read wind correction under mark -10

7. Read ground speed under grommet 102 kts

Wind Problem #2

true a/s 90 kts

true heading 160 – 10 = 150

G/S 102 kts