Perf 2

Question 1

What is the Cost Index range?

Answer 1

0 to 999

Question 2

How does wind change a CP?

Answer 2

A CP moves into the wind

Question 3

When are you likely to need a PNR?

Answer 3

Areas like the pacific with limited div airfields

Question 4

What dist down the runway is the touchdown aiming point?

Answer 4

1000ft

Question 5

What does high humidity do to landing dist?

Answer 5

decreases air density so increases landing dist

Question 6

Why is it hotter in the tropics?

Answer 6

The sun is directly overhead

Question 7

What happens in a temperature inversion

Answer 7

Temp increases with height

Question 8

What is the environmentlal lapse rate?

Answer 8

2º per 1000ft

Question 9

What are the dry and saturated adiabatic lapse rates?

Answer 9

Dry = 3º per 1000ft
Sat = 1.5º per 1000ft

Question 10

What is dew point?

Answer 10

The temp at which a parcel of air becomes saturated.

Question 11

What are the 3 actions to create cloud?

Answer 11

1. Moisture
2. A lifting action
3. Adiabatic cooling of the rising air.

Question 12

What are the different types of fog?

Answer 12

Radiation
Advection
Frontal

Question 13

What weather is associated with high pressure systems?

Answer 13

1. Clear upper skies
2. Light winds
3. Poor vis at low levels.

Question 14

What is experivenced approaching a warm front?

Answer 14

1. Lowering of cloud
2. Poor Vis
3. Pressure falls.

Question 15

What do lenticular clouds indictate?

Answer 15

Standing mountain wave CAT

Question 16

When is a SPECI issued?

Answer 16

When a critical met condition exists - ie windshear

Question 17

What does a TEMPO related to?

Answer 17

temp variation in forecasted weather lasting not less than 1 hour or if recuriing less than half the trend or taf period.

Question 18

What does CAVOK indicate?

Answer 18

1. vis greater or equal to 10km
2. No cloud below 5000ft or highests MSA
3. No precipitation.