Percentage of aircraft accidents were weather was a contributing factor or was a casual
factor. - Answers -20.1 %
What type of weather causes the highest percentage of accidents overall? - Answers -
Wind
What category of operation had the highest percentage of weather related accidents and
highest weather-related accident rate? - Answers --Part 91 Operations (small, non-
commercial aircraft)
-88% of all weather related accidents - accident rate of 1.26 per every 100,00 hours flown
What type of weather causes the most aircraft accidents for Part 91, 121 and 135
operations? - Answers -91 = Wind ; ceiling/visibility in far second. Mostly during VFR day
121 = Turbulence
135 = Wind/ ceiling = mostly cieling, but pretty split
Define operations part 91, 121, and 135 - Answers -91 = Small non-commercial aircraft
within the US
121 = air carriers
135 = Air taxi and on-demand charter operators
Define Aircraft Accident - Answers -An occurrence associated w the operation of an
aircraft that takes place between when anyone boards the plane intending to fly until
everyone has disembarked, during which any person suffers DEATH or SERIOUS
INJURY, or in which the plane resieves SUBSTANTIAL DAMAGE
Define Pilot Error - Answers -Term used to describe the cause of an accidend where the
pilot is considered partially or principally responsible
, Define a Serious Injury - Answers -- Requires hspitalization for more than 48 hrs, no more
than 7 days after the accident
-fractured bones (besides, fingers toes or nose)
-causes severe hemorrhages, nerve, or muscle damage
-involves an internal organ
-Involves 2nd/3rd degree burns, or burns affecting more than 5 percent of the body surface
(CRM) Crew Resource Management - Answers --Management system which makes
optimum use of available resources (equipment, procedures, and people) to promote
safety and enhance the efficiency of flight operations
ADM - Aeronautical Decision Making - Answers -Systematic approach to the mental
process used by aircraft pilots to consistently determine the best course of action in
response to a given set of circumstances
Steps for ADM - Answers -1 - Indentify hazardous attitudes
2 - learn behavior mod techniques
3 - learn to recognize / cope w stress
4 - using all resources
5 - evaluating effectiveness of ADM skills
6 - Developing risk assessment skills
The two risk assessment skills - Answers -1 - Risk Assessment Matrix
= Find the likelihood & consequences of occurences
2 - PAVE checklist
= Used to perceive hazards
Decision Making Process - Answers -1 - systematically identify risks
2 - assess degree of risk
3 - determine best course of action
Examples include:
5 P's
3 P's
OODA
DECIDE
DECIDE - Answers -Detect
Estimate
Choose
Identify
Do
Evaluate
Trends in part 91 accidents - Answers -- mostly wind (second highest is ceiling/visibility)
-Typically due to crosswinds & gusts (tailwind was third)
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