Triangle of Velocities

Question 1

If the wind is within 30 degrees of the nose, __% is headwind and __% is crosswind

Answer 1

90, 50

Question 2

If the wind is within 45 degrees of the nose, __% is headwind and __% is crosswind

Answer 2

70, 70

Question 3

If the wind is within 60 degrees of the nose, __% is headwind and __% is crosswind

Answer 3

50, 90

Question 4

Closing Angle =

Answer 4

( Distance off x 60 ) / Distance to Go

Question 5

The 1 in 60 rule states ___

Answer 5

For every 1 degrees left/right of track, you will b e1nm off track for every 60nm travelled (along the hypotenuse)

Question 6

ROC in FPM can be calculated by ___

Answer 6

( GS (kts) x Gradient (ft/NM) ) / 60

Question 7

Gradient can be calculated by ___

Answer 7

( Height Difference (ft) x 100 ) / Horizontal Distance (ft)