Cap 9 Turbulence And Wind Shear

Question 1

Turbulence

Answer 1

Small scale ,short term random and frequent change to velocity of air

Question 2

Causes

Answer 2

Thermal /convective
Mechanical/frictional
Orographic (mountain wave)
Windshear : frontal passage

Question 3

Windshear frontal passage

Answer 3

The change in direction of windspeed and direction of the warm front and cold front

Answer 4

Ishotas = lines of equal windspeed

Question 5

Low level winshear

Answer 5

Low level windshear is below 1600agl

Question 6

Pilot report turbulunce detailes

Answer 6

Turbuluence report

1) a/c identification
2) position
3) time
4) fl
5) meteorological info

Answer 7

Moderate: moderate changes in a/c attitude and altitude but a/c remains in control all time,usually 1g at a/c centre of gravity

Heavy:abrupt change in a/c attitude and/or altitude a/c may be out of control for short periods.