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National Transportation Safety Board- NTSB. AST 425. NTSB. What is the NTSB?- It is an independent federal accident investigation agency responsible for the investigation of all transportation related accidents.

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Presentation Transcript
slide2
NTSB
  • What is the NTSB?- It is an independent federal accident investigation agency responsible for the investigation of all transportation related accidents.
  • The NTSB was formed in 1966 as a part of the DOT act and was placed under the DOT (Department of Transportation)
  • NTSB was made independent in 1974 by the NTSB Act.
slide3
NTSB
  • The NTSB mission is:
    • To determine the “probable cause” of transportation accidents
    • To formulate safety recommendations designed to improve transportation safety
slide4
NTSB
  • Scope:
  • The NTSB is required to determine the probable cause of the following types of accidents:
    • Civil Aviation Accidents
    • Major Highway Accidents
    • Passenger train accidents involving fatalities
    • Major Marine Accidents
    • Pipeline Accedents
slide5
NTSB
  • Aviation Accidents Investigated:
    • Responsible for all aviation accidents but typically are only directly involved in those involving fatalities- the rest are “delegated” by a letter of agreement (LOA) to the FAA- Based on workload and staffing and varies from year to year.
    • FAA investigates all ag., homebuilt/experimental accidents
slide6
NTSB
  • The NTSB investigates thousands of accidents annually
  • All air carrier accidents
  • All in-flight collisions
  • All fatal general aviation accidents
  • All air-taxi accidents
  • All accidents involving large aircraft (greater than 12,500 lbs.)
ntsb other responsibilities
NTSB- Other Responsibilities
  • The 1974 NTSB Act requires the NTSB to:

-Conduct special studies on safety problems

-Mid-Air collisions

-Runway Incursions

-In-fight icing- regional airliners- AE 4184

Since NTSB’s creation accidents have gone down considerably (Chapter 2)

ntsb other responsibilities ctn
NTSB Other Responsibilities- Ctn.
  • Evaluate the effectiveness of government agencies involved with transportation including:
    • FAA- over 90 % of the recommendations made to the FAA by the NTSB are acted upon favorably- FAA is required by law to respond.
    • NHTSA
ntsb other responsibilities ctn9
NTSB Other Responsibilities Ctn.
  • Evaluate the safeguards used in the transportation of hazardous materials
  • Review appeals from:
    • Airman and merchant seamen whose certificates have been suspended or revoked

Make an annual report to congress on the State of Transportation Safety

ntsb structure
NTSB structure
  • Made up of 5 members appointed by the president for a 5 year term- confirmed by the senate
  • The chairman and vice chairman are appointed to serve for typically two years (although the last one, Jim Hall served for 5-6 years)
  • 340 Total Employees Nationwide- only 75 dedicated to the “air mode”
ntsb structure ctn
NTSB structure ctn.
  • Headquartered in Washington DC. With 5 regional and 4 field offices in:
  • Chicago, Anchorage, Atlanta, Ft. Worth, Los Angeles, Miami, New York, Denver, and Seattle

-These field offices investigate about 99% of the accidents under the NTSB’s jurisdiction

ntsb structure12
NTSB Structure
  • The GO-Team in Wash. DC. Investigates an average of 10-12 accidents per year.
    • Headquartered in DC
    • On 24 hour alert- must go anywhere in the world on 2 hours notice- fly in the NTSB G-IV
    • 8-12 member team- rotating duty- headed by one of the 5 board members
    • Reserved for major carrier accidents
ntsb go team
NTSB- GO TEAM
  • Consists of various specialists- metallurgy, avionics, ATC, maintenance, flight, etc.
  • Usually on site for one or two weeks or less
  • “Jump Start” an investigation
  • Send evidence for laboratory analysis- back in DC. Or where specialized services are offered- ie. Aeromedical- OK. City OK.
slide14
NTSB
  • Laboratory analysis
    • Analyze “Black Boxes”- Flight Date Recorders (FDR) and Cockpit Voice Recorders (CVR)
    • Analyzing wreckage for:
    • Inadequate design
    • Excessive loading
    • Fatigue/Corrision
    • Etc.
ntsb recommendation
NTSB Recommendation
  • The Recommendation- End product of the investigation:
  • Recs. Are issued as soon as they are discovered- don’t await the final report which can take months
  • Identifies person/s or agencies (FAA, manufacturers, etc.) that need to take action and describes the action which needs to be taken.
chronology ctn
Chronology Ctn.
  • States the safety need to be satisfied
  • DOT (FAA) must respond within 90 days
chronology ctn17
Chronology Ctn.
  • Public Hearing held to:
    • Collect more information
    • Air at a public forum the issues involved in an accident
chronology ctn18
Chronology Ctn.
  • Final Report- publication which gives accident details as well as a “probable cause” for the accident. Results have been used to make systemic improvements such as:
    • Pilot training
    • Aircraft Maintenance
    • ATC procedures
    • Survival Equipment Requirements
major accident chronology
Major Accident Chronology
  • Go Team on site
  • Site Analysis
  • Public Hearing
  • Laboratory Analysis
  • Safety Recommendations
  • Public Hearing
  • Final Report
  • Publication Made Public
ntsb ctn
NTSB Ctn.
  • NTSB investigates approx. 2400 aviation accidents per year.
  • Each regional office investigates approximately 400 per year- 60 delegated to FAA- 12 – 13 employees each- huge workload!
  • Go Team investigates approx 10-12 per year