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.<\/p>\n\n\n\n
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.<\/p>\n\n\n\n
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)
<\/p>\n","protected":false},"excerpt":{"rendered":"
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