DADE DADE Weather & Meteorology 2

Question 1

What is the definition of a thunderstorm's squall line as relevant to dispatch planning?

Accepted Answer

A narrow band of active thunderstorms along or ahead of a cold front

Answer

A squall line is a narrow band of active thunderstorms that typically forms ahead of or along a cold front and requires routing around for dispatch.

Question 2

What does a negative temperature deviation from ISA indicate for aircraft performance planning?

Accepted Answer

Improved engine performance and shorter takeoff distances

Answer

When outside air temperature is colder than ISA standard, air density is higher, which improves engine performance and shortens takeoff distances.

Question 3

Which meteorological condition creates the most significant density altitude concern for dispatch at high-elevation airports?

Accepted Answer

High temperatures combined with high humidity and high elevation

Answer

High temperature combined with high humidity and high elevation elevation significantly reduces air density, creating high density altitude and degraded aircraft performance.

Question 4

What is the significance of a PIREP reporting moderate rime icing at a specific altitude for dispatch?

Accepted Answer

It provides real-time icing conditions useful for route planning and altitude selection

Answer

PIREPs reporting icing provide actual in-flight conditions that help dispatchers and pilots select altitudes and routes to avoid hazardous icing.

Question 5

What ceiling and visibility values define visual meteorological conditions (VMC) in the US?

Accepted Answer

Ceiling at or above 3,000 feet and visibility 5 miles or greater

Answer

Basic VMC requires a ceiling at or above 3,000 feet AGL and visibility of 5 miles or greater for most controlled airspace operations.

(DADE) Designated Aircraft Dispatch Examiner Practice Test

(DADE) Designated Aircraft Dispatch Examiner Practice Test

DADE DADE Weather & Meteorology 2