Term
FAA's 9 reasons for investigation to determine... |
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Definition
1. violation of regulation
2. adequacy of regulation
3. involvement of FAA personnel, facilities, functions
4. involvement of non FAA per aircraft
5. competency of FAA certificated airmen, air carriers, air agency, or other commercial operators
6. involvement of certification or air worthiness of an FAA certificated aircraft
7. involvement of medical certificate issues
8. involvement of airport safety issues
9. involvement of airport security
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Term
4 Types of Investigations |
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Definition
- Complete/rigorous
- special interest
- Field Investigations
- done by regions
- special interest
- Incident Investigation
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Term
International Investigations |
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Definition
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Term
List of hazards at an accident site |
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Definition
-debris, chemical, pressure vessels, terrain (foliage), electrical, cargo (hazmat), blood borne pathogens (most regulated)
-"requires any one who in course of employment has the potential for exposure to human blood tissue, or other fluids is required to comply with these regulations"
-involved: cops, firefighters, investigators
-need decontamination & training |
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Definition
- eye
- background
- expert
- response
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Definition
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Term
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Definition
means an occurrence associated with the operation of an aircraft which takes place between the time any person boards the aircraft with the intention of flight and all such persons have disembarked, and in which any person suffers death or serious injury or in which the aircraft receives substantial damages |
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Term
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Definition
an occurrence other than an accident, associated with the operation of an aircraft, which affects or could affect the safety of operations |
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Definition
any injury which results in death within 30 days of accident |
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Definition
any person who causes or authorizes the operation of an aircraft, such as the owner, lessee, or ballee of an aircraft |
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Term
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Definition
an aircraft used only for the United States Government, or an aircraft owned and operated (except for commercial purpose) or exclusively leased for at least 90 continuous days by government other than by the United States Government, including a state, the District of Columbia, a territory or possession of the United States, or a political subdivision of that government |
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Term
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Definition
any injury which: 1) requires hospitalization for more than 48 hours, commencing within 7 days from the date of the injury was received; 2) results in a fracture of any bone (except simple fractures of fingers, toes, or nose); 3) causes severe hemorrhages, never, muscle, or tendon damage; 4) involves any internal organ; or 5) involves second- or third-degree burns, or any burns affecting more than 5% of the body surface |
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Definition
damage or failure which adversely affects the structural strength, performance, or flight characteristics of the aircraft, and which would normally require major repair or replacement of the affected competent |
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Term
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Definition
- Who
- Where?
- When?
- What?
- Why?
Repeat twice: once for the accident and second for cause of accident |
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Term
Multi-linear Event Sequences |
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Definition
involves:
- circumstances - political, company, etc that have a bearing on the situation
- conditions - makes more likely for accident to happen
- trigger
- proximate event
- knowns
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Term
The Hierarchy of Human Error |
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Definition
Momentum to have accident increases from top to bottom
- Design
- Manufacturing
- Management - always involved in accident
- Maintenance
- Operations - how we use aircraft, training, procedures, etc
- System - ATC, FAA, weather
- Pilot - last line of defense against all other human error; last one to interrupt sequence, if can
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Term
Common factors in a propulsion accidents |
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Definition
impact angle impact attitude impact airspeed surface impacted -soft -med -hard --composition configuration of aircraft |
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Term
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Definition
- fracture
- scratches
- gouges
- bends
- twists
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Term
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Definition
no useable fuel in airplane due to pilot mismanagement |
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Term
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Definition
Fuel isn't reaching engine(s) in the type/quantity to sustain combustions |
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Definition
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Definition
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Term
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Definition
check plugs for rich mixture air box temperature down! |
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Term
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Definition
- soot deposits - rich mixture
- ceramic - mixture is lean
- grey droplet adhere
- oil on plugs
- depends on how much stored in engine
- dead cylinders
- burn smell? rings on exhaust wearing out
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Term
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Definition
x-axis: strain (in/in)
y-axis: stress (lbs/in^2)
A: Normal Operating Range (NOR) - safety margin allows for error without breaking
B: Redline
C: Limit Load - permanent deformation of plastic range
D: Ultimate Load - exceeds limit load and cannot ever return to a neutral position; permanent damage |
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Term
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Definition
x-axis: exposure (time, cycles, operational hours)
y-axis: force (lb/in^2) |
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Definition
- instantaneous
- progressive
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Term
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Definition
- functional
- potential
- hidden-fuction
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Term
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Definition
- high stress/low cycle
- identifiable
- propagates fast
- not common
- low stress/high cycle
- by itself - no load excursion
- fatigue zone - load cycles unknown
- have to inspect to find it
- most problematic
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Term
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Definition
- anode
- cathode
- conductive path
- conductive flow
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Definition
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Term
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Definition
- 2xxx = copper
- 3xxx = manganese
- 4xxx = silicon
- 5xxx = magnesium
- 6xxx = copper/magnesium
- 7xxx = zinc
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Term
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Definition
- casting
- forging
- extrusion
- rolling
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Definition
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Definition
- on-condition
- condition monitoring
- hard time
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Material Characteristics (6) |
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Definition
- strength
- hardness
- elasticity
- durability
- weight/mass
- cost
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Definition
- Bending
- Compression
- Shear
- Tension
- Torsion
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Definition
- more inelastic
- easier to make
- cheaper
- lighter
- unpredictable
- burn hazard
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Term
4 Kinds of Consequences/Severities |
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Definition
- catastrophic
- critical
- minor
- non-significant
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Term
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Definition
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Term
3 Levels of Recommendations |
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Definition
- Engineering Change
- Procedural Change
- Personnel
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Term
Reasons for Instantaneous Failure |
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Definition
overload
under design
combination
certification loads
material or manufacturing defect |
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Term
4 Things needed for Progressive Failure |
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Definition
1) stress riser
2) cyclic loading
3) local tension stress
4) local plastic deformation |
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Term
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Definition
- cold
- heat
- chemical
- retempuring
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