FLIGHT DISPATCHER SKILLS TEST- ORALS 2023-2024 ACTUAL EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% COMPLETE AND VERIFIED ANSWERS) | AGRADE

FLIGHT DISPATCHER SKILLS TEST- ORALS 2023-2024 ACTUAL

EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH

RATIONALES (100% COMPLETE AND VERIFIED ANSWERS) |

AGRADE

Name at least six information that must

be contained in the Dispatch release or Operational Flight Plan - ANSWERCompany name; Make, model and registration number of a/c being used; Flight or

trip number and date of flight; Name of flight crew member, cabin crew member;

Departure aerodrome, destination aerodrome alternate aerodrome and route;

minimum fuel supply (in kg, lbs, litres, gallons); type of operation (VFR/IFR);

available weather reports and forecasts for the destination and alternate aerodrome;

any additional weather available information that the PIC considers necessary;

What is Extended Diversion Time Operations (EDTO). - ANSWER- Any

operation by an aeroplane with two or more turbine engines where the diversion

time to an en-route alternate aerodrome is greater than the threshold time

established by the State of the Operator.

What is Ceiling? - ANSWER- The lowest layer of clouds or obscuring phenomena

aloft that hides more than half of the sky, reported as Broken or Overcast.

What is considered an extended overwater operation? - ANSWER- A flight

operated over water at a distance of more than 93km (50 NM), or 30 minutes at

normal cruising speed, whichever is the lesser, away from land suitable for making

an emergency landing.

Can a dispatcher delegate their authority? - ANSWER- Yes. May delegate the

authority to sign release, but not to dispatch

What is the main characteristic that distinguishes the troposphere from the

stratosphere? - ANSWER- The temperature lapse rate. In the troposphere, the

temperature decreases with increasing altitude at an average rate of two degree

Celsius per one thousand feet of altitude. In the stratosphere, there is little or no

change in temperature with altitude.

What is the major source of all changes in the Earth's weather? - ANSWERUneven heating of the Earth's surface

What is a standard day relative to pressure and temperature? - ANSWER- 29.92

millibars of pressure and a temperature of 15 degrees celcius at sea level.

What are some examples of the causes of temperature variations across the planet -

ANSWER- Diurnal variation

Seasonal variation

Latitude (angle of sun exposure)

Topographical issues

Altitude effects

The tropopause is characterized by? - ANSWER- an abrupt change of temperature

lapse rate

What effect does temperature have on aircraft performance? - ANSWER- As

temperature increases, aircraft performance is reduced due to a decrease in air

density.

What potential issues might arise when an inversion exists at an airport? -

ANSWER- Inversions are often associated with reduced visibility and possible

wind shear as an aircraft passes through the inversion layer.

What effect does temperature have on aircraft performance? - ANSWER- As

temperature increases, aircraft performance is reduced due to a decrease in air

density

Describe a low-pressure system? - ANSWER- Lows are areas of reduced pressure

and have counterclockwise wind that flows inwards and upwards in the northern

hemisphere (opposite in the southern hemisphere). These are commonly associated

with poor weather.

What is a "trough"? - ANSWER- A trough is an elongated area of low pressure.

Weather systems often develops in association with troughs.

What is a "ridge" - ANSWER- A ridge is an elongated area of high pressure.

What is "col"? - ANSWER- A col is a neutral area between high and low-pressure

systems, or it is where a ridge and trough meet.

Describe a high-pressure system - ANSWER- Highs are areas of increased

pressure and have clockwise wind that flows outward and downward in the

northern hemisphere (opposite in the southern hemisphere). These are commonly

associated with good weather.

How does pressure vary with altitude? - ANSWER- Pressure decreases as altitude

increases. In the standard atmosphere the rate of decrease is 1 inch Hg per 1,000

feet.

What is "true altitude"? - ANSWER- True altitude is an aircraft's height above sea

level. Its also known as mean sea level (MSL).

What is "pressure altitude? - ANSWER- This is altitude in reference to the

standard datum plane of 29.92'' Hg

Why does a high density altitude reduce aircraft performance? - ANSWER- a)

Reduce engine thrust/power

b) Reduce the amount of lift that is produced by

the wing

What is "Coriolis force"? - ANSWER- The Coriolis force is a phenomenon that

occurs due to the rotation of the Earth that causes wind in the Northern

Hemisphere to be deflected to the right.

Why is wind speed usually slower near the surface as compared to aloft? -

ANSWER- This occurs due to friction between the terrain at the surface and the

wind. Winds aloft move relatively unrestricted.

How does wind flow in relation to isobars aloft? - ANSWER- Winds aloft tend to

flow parallel to isobars due to Coriolis force turning the wind to the right (in the

Northern Hemisphere)

What is Fog? - ANSWER- Fog is a surface - based cloud that always forms in

stable air conditions

What are the three main types of Fog and how are they formed? - ANSWER- 1.

Radiation Fog: occurs when there is a surface - based temperature inversion.

(mostly during

relatively calm nights and just after sunrise)

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