29/30 Adverse WX

Question 1

What is “marginal” weather?

[FOM 8-14]

Answer 1

When ceiling or visibility is forecast to be at minimums at ETA.

Question 2

In what icing conditions is takeoff and landing prohibited?

[FOM 8-7]

Answer 2

Moderate or heavy freezing rain or heavy freezing drizzle.

Question 3

What is a contaminated runway?

[AOM1 Definitions]

Answer 3

More than 25% of the runway length has 1/8” slush or standing water, or that has snow or ice accumulation.

Question 4

What would a SIGMET be issued for? (3)

[FAA-H Aviation WX Services]

Answer 4

Severe turbulence
severe icing
3000 sq miles of IMC due to dust sand or ash

Question 5

What would a Convective SIGMET be issued for? (2)

[FAA-H Aviation WX Services]

Answer 5

3000 sq miles of TS
60NM long line of TS

Valid for 2 hours

Question 6

Pass how many miles upwind of TS?

[AOM1 5-14, FOM 8-9.5]

Answer 6

25 NM AOM1, 20 SM FOM!!!

Question 7

How fast do wake vorticies sink, and how many miles do they take to dissipate?

[FOM 8-11]

Answer 7

300-500 feet per minute, and 5-6 miles