For certain accidents, due to resource limitations, the Board will ask the FAA to collect the factual information at the scene of the accident ; the NTSB bases its report on that information.

The official NTSB report of October 26, 2004 stated that the cause of the crash was the overuse of the rudder to counter wake turbulence.

Previous simulator training did not properly reflect " the actual large build-up in sideslip angle and sideloads that would accompany such rudder inputs in an actual airplane ", according to the NTSB final report.

The official NTSB report said that the probable cause was mechanical.

The NTSB accident report commended " the exemplary manner in which the flight attendant briefed the passengers and handled the emergency ".

She is recognised in the NTSB report for this " unselfish act.

* Aircraft Incident and Accident report ( contains text of above NTSB report and a great deal more information )

* Famous People Who Died in Aviation Accidents, 1980s ( This ties Keith Green to the Aircraft Registration Number in the NTSB report )

* NTSB report on crash

The official NTSB accident report lists the probable cause as " The pilot's intentional flight into the ground for the purpose of suicide while impaired by alcohol.

The NTSB report showed that the plane had several instances of maintenance work related to cabin pressure in the months leading up to the accident.

According to a USAF timeline, a series of military planes provided an emergency escort to the stricken Lear, beginning with an F-16 from Eglin Air Force Base, about an hour and twenty minutes ( 9: 33 EDT to 9: 52 CDT – see NTSB report on the crash ) after ground controllers lost contact.

* NTSB Aircraft Accident Report – probable cause investigation report on Munson's plane crash

* NTSB accident report of the helicopter accident in 1977

* NTSB executive summary report

According to the National Transportation Safety Board ( NTSB ) accident report, they learned that the winds were changing direction and that a wind shear alert had sounded on the airport due to a thunderstorm nearby.

The Aeronáutica Civil prepared a final report of its investigation in September 1996, which was released through the U. S. NTSB.

Radar plot of the plane's flight path, from the NTSB report

Damage to the rear of the plane, from the NTSB report

Locations of passengers indicated by lack of injury, severity of injury, and reason of death from the NTSB report

* NTSB Accident report of United Airlines Flight 232

The investigation was carried out by the American National Transportation Safety Board ( NTSB ), and they released a 400-page report on their findings, which was not immediately published in the Gulf.

The National Transportation Safety Board's ( NTSB ) final report on the crash of TWA 747 concluded “ The fuel air vapor in the ullage of the TWA flight 800 CWT was flammable at the time of the accident .” NTSB identified “ Elimination of Explosive Mixture in Fuel tanks in Transport Category Aircraft ” as Number 1 item on its Most Wanted List in 1997.

Not all pilots abide by this rule, and approximately 40 % of the NTSB fatal general aviation accident reports list continuation of flight into conditions for which the pilot was not qualified as a cause.

In many cases the FAA will perform the investigatory duties but in instances where significant injuries or any fatal accident the National Transportation Safety Board ( NTSB ) will investigate and the ARFF contingent will assist where needed.

Significant investigations conducted by the NTSB in all modes of transportation in recent years include the collapse of the I-35 highway bridge in Minneapolis, Minnesota ; the collision between two transit trains in Washington, D. C .; the pipeline explosion that destroyed much of a neighborhood in San Bruno, California ; the sinking of an amphibious vessel in Philadelphia, Pennsylvania ; and the crash of a regional airliner near Buffalo, New York.

While accident investigators from the National Transportation Safety Board ( NTSB ) traveled to the scene, arriving the following morning, there was much initial speculation that a terrorist attack was the cause of the crash.

The crash was witnessed by hundreds of people, 349 of whom gave accounts of what they saw to the NTSB.

Nicholas Stix of Middle American News recounted the mutually contradictory theories that the NTSB had floated immediately following the crash, the statements made by retired fire fighters and police officers who had witnessed the crash, and the history of similar crashes, and concluded that the agency was frantically seeking to calm a public whose faith in commercial aviation had hit rock bottom.

In 1997, after reading an editorial by the Chairman of the NTSB about the crash of TWA Flight 800, Bill had a letter to the editor published in the Wall Street Journal that began a 4 year effort to bring to light the true cause of the crash.

Over that time he was interviewed on several hundred radio programs and appeared on several national TV broadcasts as an expert aircraft crash investigator and vocal critic of the NTSB and FBI investigation.

The NTSB found that the crash was the fault of truck driver Ruben Perez.

The National Transportation Safety Board ( NTSB ) investigation found that the crash was a result of a failure in the train's computer-controlled braking system.

The NTSB conducted a year-long investigation and finally stated that, while the definitive cause was still unknown, the crash was probably due to a gas-fueled heater that reportedly had caused in-flight problems.

The U. S. National Transportation Safety Board ( NTSB ) investigated the crash and concluded it was caused by the flight instructor's improper decision to take off in poor weather conditions, his overloading the aircraft, and his failure to maintain airspeed, which resulted in a stall.

The National Transportation Safety Board ( NTSB ) determined that the crash was caused by the pilot in command ( PIC ) allowing the aircraft to be loaded beyond its operating limitations.

The NTSB determined that the crash was due to a combination of pilot fatigue and pilot error.

Congress, the Federal Bureau of Investigation ( FBI ), and the National Transportation Safety Board ( NTSB ) investigated the crash, and found it to be an accident caused by crew error.

Three years after the accident the NTSB was compelled to re-open the investigation into the crash, after submissions were received that the person who was suspected of driving the " unauthorized vehicle " had actually left the airport about fifteen minutes before the aircraft crashed.

The crash was investigated by the Special Administrative Unit of Civil Aeronautics ( Aeronáutica Civil ) of the Republic of Colombia, with assistance from the U. S. National Transportation Safety Board ( U. S. NTSB ) as well as other parties, including the U. S. Federal Aviation Administration, Allied Pilots Association, American Airlines, Boeing Commercial Airplane Group and Rolls Royce Engines.

One crash survivor died 31 days after the accident ; in accordance with official rules, the NTSB classified his injuries as " serious.

After the crash site was located by a CBS News helicopter piloted by Bob Tur, investigators from the National Transportation Safety Board ( NTSB ) were joined by the Federal Bureau of Investigation ( FBI ).