NTSB
Federal wreck examiners
NTSB is the National Transportation Safety Board, an independent U.S. government agency that investigates civil aviation accidents and major accidents in other modes of transportation—railroads, highways, marine, and pipelines.
The agency issues safety recommendations but has no regulatory authority: The NTSB released its preliminary report on the crash.
Freedom from harm
- mandateFormal authoritative directive
- regulationOfficial rules governing conduct
- improvementPositive change in quality
- advisoryNotice recommending action
compliance · urgent · rulemaking · implementation · advocacy · prevention · standard · guideline
Airborne transportation vehicle
- airlineAir transport company
- cockpitPilot's control compartment
- pilotOne who steers aircraft
- FAAU.S. flight safety agency
airworthiness · Boeing · fuselage · midair · runway · takeoff · landing · maintenance
Sudden violent impact
- accidentUnintended harmful event
- inquiryRequest for information
- probeThorough examination or tool
- findingsConclusions from investigation
report · wreckage · evidence · cause · determination · factual · hearing · docket
Permanent track for trains
- highwayMajor road for travel
- marineRelating to the sea
- pipelineLong-distance fluid transport tube
- derailmentLeaving the intended track
trucking · Amtrak · ferry · bridge · collision · hazmat · freight · vehicle
Specific vessel or vehicle name
- EthiopianFrom Africa's oldest nation
- SouthwestArid American expanse
- tragedyDisastrous or sorrowful event
- catastropheDevastating, large-scale misfortune
safety
Freedom from harm
- mandateFormal authoritative directive
- regulationOfficial rules governing conduct
- improvementPositive change in quality
advisory · compliance · urgent · rulemaking · implementation · advocacy · prevention · standard · guideline · reform
aircraft
Airborne transportation vehicle
FAA · airworthiness · Boeing · fuselage · midair · runway · takeoff · landing · maintenance · crew
crash
Sudden violent impact
findings · report · wreckage · evidence · cause · determination · factual · hearing · docket · analysis
railroad
Permanent track for trains
derailment · trucking · Amtrak · ferry · bridge · collision · hazmat · freight · vehicle · vessel
Challenger
Specific vessel or vehicle name
- EthiopianFrom Africa's oldest nation
- SouthwestArid American expanse
- tragedyDisastrous or sorrowful event
catastrophe · victims · memorial · families · recovery
- Safety organizationsOSHA, Red Cross, NHTSA, FDA, CDC
- Aviation IndustryBoeing, Airbus, Delta, United Airlines, American Airlines
- aviation disastersplane crash, air crash, midair collision, crash landing, crash site
- Crash Investigationscrash investigation, crash site, crash scene, black box, flight recorder
- federal agenciesFBI, CIA, EPA, IRS, CDC
- government agenciesFBI, CIA, NASA, IRS, EPA
NTSBFAA
U.S. flight safety agency
Federal Aviation Administration · regulatory agencies · Department of Transportation · TSA · Coast Guard
NTSBBoeing
American aircraft manufacturer
airlines · railroad companies · defendants · shipping companies · manufacturers