Rafael Moure-Eraso , CSB chair , addressing Expressing_publicly the U.S. Senate Committee on Environment and Public Works on June 27 , said Communication : `` there was a catastrophic failure involving Participation a heat exchanger and associated Collaboration piping which broke loose from a distillation tower ... It is too soon in our investigation to tell why the equipment failure occurred Coming_to_be . ''

The investigation Criminal_investigation showed Statement that the crew did not issue Communication an emergency call Request despite the plane 's recurring warnings Warning and highlighted Expressing_publicly the lack of discipline and organized Arranging environment in the cockpit .

The subsequent investigation Criminal_investigation by Spanish authorities concluded Coming_to_believe that the primary cause Causation of the accident was the KLM captain 's decision to take off Departing in the mistaken belief that a takeoff Self_motion clearance from air traffic control Control ( ATC ) had been issued Creating .

An initial inquest held in Alice Springs supported Supporting the parents ' claim and was highly critical of the police investigation .

Subsequently , after a further investigation and a second inquest held in Darwin , Lindy Chamberlain was tried for murder Killing , convicted on 29 October 1982 and sentenced Legal_rulings to life imprisonment .

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 .

Two weeks after the crash Catastrophe , the NTSB proposed Statement handing Giving the investigation Criminal_investigation over to the Federal Bureau of Investigation Criminal_investigation , as the evidence suggested Statement that a criminal Committing_crime act had taken place Process_start and that the crash Catastrophe was intentional rather than accidental Catastrophe .

This proposal Convincing was unacceptable to the Egyptian authorities , and hence the NTSB continued to lead the investigation Criminal_investigation .

A subsequent inquiry Criminal_investigation by Scotland Yard proved Statement inconclusive , and , in 1993 , they decided Deciding against proceeding Process_start with an investigation Criminal_investigation .

In 1992 , his former girlfriend , Kathy Etchingham , asked Request British authorities to reopen Process_start the investigation Criminal_investigation into Hendrix 's death Death .

A second bomb Terrorism exploded Attack at the scene of the investigation the following day , injuring Bodily_harm one .

although initial reports blamed Judgment_communication an electrical fault for the derailment , investigation showed Statement that the derailment may have been caused Causation by an act of terrorism Terrorism ; a crater Destroying was found Know in the ground near the crash site .

The official investigation Criminal_investigation by the Spanish judiciary found Know that the attacks Terrorism were directed Action by an al-Qaeda terrorist cell , although no direct al-Qaeda participation has been established .

After 21 months of investigation Criminal_investigation , judge Juan del Olmo tried Moroccan national Jamal Zougam , among several others , for his participation carrying out the attack Terrorism .

The formal investigation Research did not specifically charge Judgment_communication anyone with the failures , simply specifying the problems observed instead .

The subsequent investigation concluded Coming_to_believe that the crash was attributable primarily to three factors : Holland 's personality and behavior ; USAF leaders ' delayed Change_event_time or inadequate reactions to earlier incidents involving Cause_to_be_included Holland ; and the sequence of events during the aircraft 's final flight Self_motion .

the soviet armed forces suppressed Hindering evidence sought by the international civil aviation organization ( icao ) investigation , such as the flight recorders , which were released ten years later , after the dissolution of the soviet union .

The investigation Criminal_investigation into the accident Catastrophe found Know that pilot fell victim Catastrophe to spatial disorientation following the loss Earnings_and_losses of flight instruments after both generators failed .

the air accident investigation unit published Publishing its final report Reporting in january 2014 .

Investigation Scrutiny by the Ghanaian government 's accident investigation commission is ongoing Criminal_investigation .

The investigation of the disaster , which was assisted Assistance by the Dutch investigation team , concluded Coming_to_believe that the cause of the accident was due to the accumulation of ice on the wings of the aircraft .

The investigation of the disaster , which was assisted Assistance by the Dutch investigation team , concluded Coming_to_believe that the cause of the accident was due to the accumulation of ice on the wings of the aircraft .

The resulting NTSB investigation determined Deciding that the snow removal operations were controlled Control from the tower .

An RCMP investigation concluded Coming_to_believe that the cause Causation of the fire Catastrophe was arson Committing_crime ; however , no arrests Arrest were made Action .

While a criminal investigation was initiated Process_start , city authorities suspect Statement that the cause Causation may have been improper use of gas appliances .

the air Expressing_publicly ministry investigation concluded Statement that the accident Catastrophe was due to pilot error .

Al-Hassan had also led the investigation that implicated Syria and its ally Hezbollah in the killing of the former prime minister Rafik Hariri .

An investigation Criminal_investigation conducted Action by the United States Environmental Protection Agency ( EPA ) concluded in 1996 that the explosion Attack was initiated Process_start by an accelerated thermal decomposition reaction Response as `` a direct result of unsafe operating Being_in_operation procedures and conditions '' at the plant .

The subsequent investigation Criminal_investigation and prosecution Legal_rulings lasted Process_end almost twenty years .

The search Scrutiny and rescue Rescuing response Response , crash recovery operation , and investigation Criminal_investigation by the Government of Canada took Creating more than four years and cost Cost $ 57 million CAD .

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 post-crash investigation Scrutiny found Know that the order Arranging given Giving to the troop train differed Change from the intended message .

After the crash , the Indian investigation committee issued Statement 62 recommendations to the Indian DGCA ( Director General of Civil Aviation ) , including a time recording on the ATC tapes and the formation of several investigative committees specializing in several aviation operational issues .

The investigation Criminal_investigation into the crash Catastrophe , led Criminal_investigation by Anatoly Koni , resulted in Causation the appointment Employment of railway manager and future Prime Minister of the Russian Empire Sergei Witte as the Director of State Railways .

The investigation Criminal_investigation into the crash initially closed Process_end inconclusively in May 2013 , having ruled out Legal_rulings a number of factors that had been the subject of media speculation but failing to identify a cause .

A further public investigation , closing at the end of June 2014 , attributed Causation the crash Catastrophe to a non-criminal error on the part of the coach driver .

The subsequent investigation revealed Reveal_secret that due to pilot error , inadequate de-icing procedures at LaGuardia , and several lengthy delays , a large amount of ice had accumulated Come_together on the wings and airframe .

On February 10 , the Chapel Hill Police Department stated Statement that their `` preliminary investigation Criminal_investigation indicates that the crime was motivated Causation by an ongoing neighbor dispute Quarreling over parking .

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 .

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 .

On 24 August 2010 , following an eight-year investigation Criminal_investigation , the Police Ombudsman for Northern Ireland published Publishing a report Reporting into the bombing Attack , which stated Statement that the Royal Ulster Constabulary believed in Know the early 1970s that Father James Chesney , a local Roman Catholic priest , was the IRA 's quartermaster and Director of Operations of the South Derry Brigade .

The French Bureau d'Enquêtes et d'Analyses pour Motion la Sécurité de l'Aviation Civile ( BEA ) , assisting Assistance the Malian authorities , published Publishing an investigation report in April 2016 , concluding that , while the aircraft was cruising Motion on autopilot , ice accretion on the engines caused Causation a reduction of thrust that lead to Causation a high-altitude stall .

According to the IndustriALL Global Union , as of August 2016 , `` Ten years after the mining homicide at Pasta de Conchos , Mexico , the government has still not conducted Action a thorough investigation Scrutiny into the real causes Causation of the disaster , brought Bringing those responsible to justice , recovered Recovering the bodies or compensated Supply the families of the victims . ''

A 2001 report by the Police Ombudsman said Statement that the RUC Special Branch failed to act on prior warnings Warning and criticised Judgment_communication the RUC 's investigation of the bombing Terrorism .

Russian authorities also condemned Judgment_communication the murder Killing and vowed Request to conduct Action a thorough investigation Criminal_investigation .

The United Nations ' investigation Scrutiny of the incident revealed Reveal_secret that , `` Ms. Bhutto 's assassination Killing could have been prevented Preventing_or_letting if adequate security measures had been taken Action . ''

An investigation found Know several shortcomings in the airline 's operating Military_operation procedures , in particular lack of proper cockpit communication and mutual control Control of the descent and approach Arriving plans .

The NTSB investigation revealed Reveal_secret evidence of pre-existing metal fatigue , and determined Deciding the probable cause Causation of the incident to be related to an error in the manufacturing Manufacturing process for joining Becoming_a_member fuselage crown skin panels .

A statement Statement from the MILF said Statement the attack Attack was carried out Action by `` heartless people '' and called Request for an independent investigation to determine who was responsible .

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 .