The National Transportation Safety Board ( NTSB ) determined Deciding that the cause Causation of the accident was pilot error .

On May 1 , 2007 , the National Transportation Safety Board ( NTSB ) stated Statement that the probable cause of the crash Catastrophe was pilot error .

Subsequent inquiries Criminal_investigation recommended Convincing sweeping changes to maritime regulations , leading to the establishment Creating in 1914 of the International Convention for the Safety of Life at Sea ( SOLAS ) .

The leader of the National Transportation Safety Board ( NTSB ) team investigating Criminal_investigation said Statement it was likely that the accident would have been prevented Preventing_or_letting had positive train control Control ( PTC ) been installed Placing .

The National Transportation Safety Board report included Cause_to_be_included the true work rosters , obtained Getting by the family of a victim .

The U.S. Chemical Safety Board released Publishing its report on the incident Catastrophe in September 2009 , saying Statement that the explosion Catastrophe had been `` entirely preventable '' .

Investigations by Occupational Safety and Health Administration ( OSHA ) and the Bureau of Alcohol , Tobacco , Firearms and Explosives also concluded Coming_to_believe that sugar dust was the fuel for an explosion Catastrophe that could have been prevented Preventing_or_letting .

Safety measures in the tournament Competition were conducted Action in an excellent fashion .

Relying mostly on analysis of data from the Inmarsat satellite with which the aircraft last communicated Communication , the Australian Transport Safety Bureau proposed initially that a hypoxia event was the most likely cause given Giving the available evidence , although there has not been any consensus concerning this theory among investigators Criminal_investigation .

The Australian Transport Safety Bureau ( ATSB ) final Process_end report Reporting could not determine Deciding what incapacitated Hindering the occupants .

The final report , published Publishing by the Indonesian National Transportation Safety Committee , found Know no evidence of technical faults in the aircraft .

Three days after the incident , the European Aviation Safety Agency issued Statement a temporary recommendation for airlines to ensure Action that at least two crew members—including at least one pilot—were in the cockpit for the entire duration of the flight .

In January 2016 , Encinia was indicted for perjury for making Action false statements Statement about the circumstances surrounding Bland 's arrest and he was subsequently fired by the Texas Department of Public Safety .

The U.S. Occupational Safety and Health Administration ( OSHA ) and the U.S. Chemical Safety and Hazard Investigation Board ( CSB ) launched investigations Scrutiny to determine Deciding how and why the heat exchanger failed .

The U.S. Occupational Safety and Health Administration ( OSHA ) and the U.S. Chemical Safety and Hazard Investigation Board ( CSB ) launched investigations Scrutiny to determine Deciding how and why the heat exchanger failed .

Investigation Criminal_investigation carried out Military_operation by the Greek Air Accident Investigation and Aviation Safety Board ( AAIASB ) concluded Statement that the cause Causation of the crash Catastrophe was due Causation to pilot error .

As the ECAA lacked the resources of the much larger U.S. National Transportation Safety Board ( NTSB ) , the Egyptian government asked Request the NTSB to handle Hold the investigation Criminal_investigation .

After investigating Research the accident , the National Transportation Safety Board ( NTSB ) found Know it had been caused Causation by the track stretching Expansion to an excessive gauge at the point of derailment .

The dictatorship imposed Action by the Committee of Public Safety during the Reign of Terror , from 1793 until 1794 , established Building price controls on food and other items , abolished slavery in French colonies abroad , de-established the Catholic church ( dechristianised society ) and created Creating a secular Republican calendar , religious leaders were expelled Removing , and the borders of the new republic were secured from its enemies .

The investigation Criminal_investigation carried out Military_operation by the Transportation Safety Board of Canada ( TSB ) concluded that flammable material used in the aircraft 's structure allowed Preventing_or_letting a fire to spread Dispersal beyond the control of the crew , resulting in Causation the crash Catastrophe of the aircraft .

The National Transportation Safety Board ( NTSB ) concluded Coming_to_believe that the flight crew were unaware of the amount of ice that had built Building up after the jet was delayed Change_event_time by heavy ground traffic taxiing to the runway .

The responsibility for investigation Criminal_investigation was delegated to the Dutch Safety Board ( DSB ) and the Dutch-led joint Collaboration investigation Criminal_investigation team ( JIT ) , who concluded Coming_to_believe that the airliner was downed Motion by a Buk surface-to-air missile launched from pro-Russian separatist-controlled territory in Ukraine .

In December 2015 , the Indonesian National Transportation Safety Committee ( KNKT or NTSC ) released Publishing a report Reporting concluding Protest that a non-critical malfunction in the rudder control Control system prompted Cause_change_of_position_on_a_scale the captain to perform Hold a non-standard reset of the on-board flight control Control computers .

Mine Safety and Health Administration , stating Statement that due Causation to the high levels of gas in the mine , it would be very rare , if not impossible , to have any survivors from the rescue Rescuing efforts .

The National Transportation Safety Board ( NTSB ) found Know that as the aircraft was beginning Process_start its takeoff rotation , engine number one ( the left engine ) separated Forming_relationships from the left Departing wing , flipping Self_motion over the top of the wing and landing Arriving on the runway .

According to the National Transportation Safety Board ( NTSB ) , which investigated Criminal_investigation the cause of the collision , the Metrolink train ran through Motion a red signal before entering Arriving a section of single track where the opposing freight train had been given Giving the right of way by the train dispatcher .

Issues surrounding Surrounding this accident have also initiated Process_start and reinvigorated Recovering public debate on a range of topics including public relations , safety , and emergency management , which has also resulted in Causation regulatory and legislative actions , including the Rail Safety Improvement Act of 2008 .

The AAIB identified Check the problem as specific to the Rolls-Royce engine fuel-oil heat exchangers , and Rolls-Royce subsequently developed Coming_to_be a modification to its FOHE ; the European Aviation Safety Agency ( EASA ) mandated Arranging that all affected Influence aircraft were to be fitted Change with the modification before 1 January 2011 .

The accident was investigated Check by the Transportation Safety Board of Canada ( TSB ) , with a final report Reporting issued on 13 December 2007 .

The investigation Scrutiny by the U.S. National Transportation Safety Board concluded Statement that the accident was the result Causation of the flight crew 's mismanagement of the airplane 's final approach Arriving to the airport .

The accident Catastrophe was investigated Check by the Canadian Aviation Safety Board ( CASB ) , which determined Deciding the probable cause Causation of the crash Catastrophe was the aircraft 's unexpectedly high drag and reduced lift Motion condition , most likely due Causation to ice contamination on the wings ' leading edges and upper surfaces , as well as underestimated Judgment_communication onboard weight .

In response Response to lack of confidence in accident investigations Scrutiny by the CASB , the Government of Canada shut down Being_in_operation that board in 1990 , replacing Change_of_leadership it with an independent , multi-modal investigative agency – the Transportation Safety Board of Canada .

Accident investigators from the National Transportation Safety Board ( NTSB ) traveled Traveling to the scene , arriving Arriving the following morning amid speculation that a terrorist Terrorism attack was the cause Causation of the crash .

In the National Transportation Safety Board report on the crash Catastrophe , investigators concluded Coming_to_believe that the likely cause Causation of the crash Attack was pilot error .

The Mine Safety and Health Administration of the United States Department of Labor reported Reporting the explosion Catastrophe was caused Causation when an underburdened shot Use_firearm or blown-out shot ignited Causation coal dust .

The cause of the crash was independently investigated Criminal_investigation by two agencies in two countries : the United States National Transportation Safety Board ( NTSB ) and the Indonesian National Transportation Safety Committee ( NTSC ) .

The cause of the crash was independently investigated Criminal_investigation by two agencies in two countries : the United States National Transportation Safety Board ( NTSB ) and the Indonesian National Transportation Safety Committee ( NTSC ) .

The Australian Transport Safety Bureau investigation found Know a fault with one of the aircraft 's three air data inertial reference units and a previously unknown software design limitation of the Airbus A330 's fly-by-wire flight control primary computer ( FCPC ) .

With famine Catastrophe imminent , the French Committee of Public Safety looked Perception_active to France 's colonies and the United States to provide Supply an infusion of grain ; this was to be convoyed Patrolling across the Atlantic during April , May and June , accompanied by a small escort squadron and supported Supporting by a second , larger squadron in the Bay of Biscay .

Safety procedures were reviewed Testing and more stable explosives were developed Cause_to_make_progress for use in nuclear weapons .

The National Transportation Safety Board ( NTSB ) investigation Scrutiny found Know that , while the bus driver was not aware that a portion of the bus was on the tracks as she should have been , the timing of signals was so insufficient that , even if she had identified Check the hazard as the train approached Arriving , she would have had to proceed Self_motion against a red traffic signal into the highway intersection to have moved Motion out of the train 's path .

The National Transportation Safety Board ruled Legal_rulings that the derailment Catastrophe was caused Causation by the train 's engineer ( driver ) becoming Becoming distracted by other radio transmissions and losing Earnings_and_losses situational awareness , and said Statement that it would have been prevented Preventing_or_letting by positive train control , a computerized speed-limiting system that was operational Being_in_operation elsewhere on the Northeast Corridor , but whose activation Being_in_operation at the wreck site had been delayed Hindering due Causation to regulatory requirements .

Sun Huashan , deputy head of the State Administration of Work Safety , said Statement that it was `` the most serious accident Catastrophe to hit Attack China 's steel industry since 1949 . ''