M4 A & S Question 2 Answered
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Module 4 A & S Question 2
Flight planning plays a key role when becoming a pilot.
Although many hazards are
nearly impossible to predict.
A pilot must learn to understand the weather and as well as read
what is happening, could potentially occur and what is needed to be done in order to combat the
bad weather they may face.
Weather fronts is just one of those elements’ pilots need to
understand.
One of the fronts that a pilot needs to know about are cold fronts.
A cold front is,
when a body of cold air comes in and pushes out a body of warm air and it usually brings
weather change and are fast approaching giving little to no warning it is coming (FAA, Pg. 12-
20).
Cold Fronts usually move from west to East in Northern America and are probable the
most hazardous time to take off or land.
Cold fronts bring wind shear which is what causes
turbulence and as it passes that wind shear is then removed.
Wind shear can cause serious
damage to aircrafts. Along with wind shear, the Barometric pressure falls and then has a steep
rise once it passes and can also cause a temperature change of more than 15 degrees Fahrenheit.
Due to the cold air pushing the warm air forward and up, a change in precipitation occurs as well
(Korpella, 2019).
Although all above are huge hazards for taking off or landing at an airfield as a cold front
pass. One of the largest hazards that has the most impact would be the wind shifts, direction
change and temperature change as well.
With the wind speed and direction changing this can
cause some issues as the pilot tries to have the aircraft climb or descend.
With the rapid change
in temperature there is also a huge change in static pressure which in turn causes uneven air flow
over both the landing and takeoff areas causing that wind shear, turbulence and gusty winds that
was talked about before. Cold air is denser than warm air and as the plane descends, air pressure
on the wings produces greater lift causing the airplane to be lighter and if not manually
calculated for and corrected can land short of the runway (Essential pilot, 2022)
.
Another problem pilots have are flying through cold fronts. If possible, it should be
avoided at all cost. Turbulent cloud systems are associated with cold fronts. Visibility is poor as
you pass through it and due to the dramatic drop in temperature, icing can begin to occur.
If
icing happened a change in altitude needs to be done by the pilot in order to combat the icing.
The flight operations can be affected for a long time if the front id moving slower than it’s usual
15-30 knots. (NASA, 2016). Needless to say, It is not wise to fly when there is a cold front
approaching or into one because there are so many hazards associated with it.
If the pilot is
going to do so, they should be panning accordingly and taking all the precautionary steps needed
to be as safe as possible.
References
Essential Pilot. (2022).
Should you fly in cold front conditions?
Essential Pilot. Retrieved from
http://essentialpilot.co.za/2020/06/14/can-you-fly-in-cold-front-conditions/
FAA. (2016, July 13).
Weather Theory
. Handbooks & Manuals Chapter 12. Retrieved from
https://www.faa.gov/regulations_policies/handbooks_manuals/
Korpella, R. (2019, March 2).
Weather conditions after a cold front
. Sciencing. Retrieved from
https://sciencing.com/weather-conditions-after-cold-front-23363.html
Mercury Jets. (n.d.).
What is a cold front and how will it affect my flight?: Mercury Jets
. Private
Jet Charter - Air Charter - Charter Rental - Mercury Jets. Retrieved from
https://www.mercuryjets.com/what-is-a-cold-front-and-how-will-it-affect-my-flight/
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