24 Hazardous Weather Flashcards
(99 cards)
What is the most significant factor which affects the flow of air traffic and accounts for a significant percentage of all accidents?
Weather
Controller shall advise pilots of hazardous weather that may impact operations within _______of their sector or area of jurisdiction
150 NM
The atmospheric condition which, when encountered in flight, can potentially cause damage to the aircraft, personal injury, a crash, or death.
Aviation weather hazard
Name three main factors that influence aviation weather safety
Pilot ratings and experience
– aircraft design and performance specifications
– onboard equipment
What type of wind is responsible for most weather related accidents
Adverse wind
What are the most critical periods of any flight and are most susceptible to adverse wind
Take off and landing
Changing of runway configuration and reduced arrival rates are often triggered by what type of wind?
Adverse wind
Adverse wind phenomena includes what five things
– Crosswinds – gusts – tailwind – variable wind –sudden Windshift
If a pilot does not correctly compensate for crosswind what can happen?
The aircraft may drift off the side of the runway – sideload on landing gear might occur leading to gear collapse
I sudden, brief increasing the speed of wind
Gust
When an airplane is taking off into a headwind, gust may cause it to do what?
Bounce on the runway
Any wind more than 90° to the longitudinal axis of the runway
Tailwind
What type of wind is this
-longer take off role is required, smaller initial rate of climb occurs during take off, longer landing role is required
Tailwind
2 minute evaluation period, It fluctuates by 60° or more and the wind speed is less or more than 6 kn.
Variable wind
Change in wind direction of 45° or more which takes place in less than 15 minutes and has sustained winds of 10 kn or more
Wind shift
True or false
Small airplanes are more affected by tailwinds and crosswinds during take off and landings then large airplanes
True
A variable winds could be hazardous on take off and landing because it could______.
Quickly become a crosswind or tailwind
Which type of aircraft will perform better in adverse wind conditions, due to its higher tailwind and cross wind threshold?
Larger airplanes
Continued visual flight into _____Weather is the single greatest cause of fatal accidents
IFR
The feeling that you or your environment is moving or spinning
Vertigo
Which ceiling is more hazardous than the other caused by a layer a loft? Indefinite or equal?
Indefinite ceiling
Water droplets based at the earth surface and reducing horizontal visibility to less than 5/8 statute mile.
Fog
What is the most common and persistent weather hazard encountered in aviation?
Fog
* The speed which fog can form makes it especially hazardous
Three types of precipitation that most commonly cause IFR weather
Rain, drizzle, snow