| Trial Graphics | | | | Transportation Safety Board (NTSB) establishes that |
| USAir Flight 427 | | | | the most likely cause for the crash of USAir flight |
| | | | 427 was because the airplane loss control which |
| US Air Flight 427 had been a scheduled flight coming | | | | resulted from a range of motion within the rudder |
| from Chicago's O'Hare International Airport into | | | | area to its blow down limitation. It seems that the |
| Pittsburgh, Pennsylvania and en-route to the final | | | | rudder surface probably deflected to an opposite |
| destination in West Palm Beach in the State of | | | | direction than what the pilots commanded due to a |
| Florida. This flight crashed on the 8th of September, | | | | jam within the primary control unit for the rudder. |
| 1994 and killed everyone on board. If you are not | | | | The report from the NTSB also showed that very |
| familiar with the problems which caused the crash of | | | | much the same rudder issues had caused the earlier |
| USAir Flight 427, this article will briefly look at this, | | | | mysterious crash of the United Airline flight 585 on |
| plus give some details about the crash and | | | | the 3rd of March 1991 and also another crash on |
| investigation. | | | | June 9, 1996, which involved Eastwind Airlines Flight |
| Boeing 737-3B7 was traveling on the route, listed | | | | 517; they were both Boeing 737s. |
| N513AU and was nearing runway 28R at Pittsburgh | | | | On account of this investigation, aircraft pilots were |
| International Airport, which is situated in Findlay | | | | subsequently cautioned and also trained on how to |
| Township, Allegheny County, Pennsylvania. At that | | | | cope with inadequate aileron authority when traveling |
| time, this airport was regarded as the biggest hub for | | | | at speed of or no less than 218 mph, 354 km/h or |
| this airline. | | | | 190 knots; this was previously the standard approach |
| The Crash | | | | velocity for the B737. In addition, four extra channels |
| The airline was piloted by Captain Peter Germano and | | | | for information, meaning the pilot rudder pedal |
| First Officer Charles B.Emmett III. When they were | | | | controls, had been included into the data recorders |
| at approximately 6,000 feet or 1,800 m and 6 miles | | | | for flight, whilst Boeing remodeled its rudder system |
| or 10 km away from landing on the runway, it is said | | | | for the 737s and also repaired existing aircraft until |
| that the aircraft encountered an abrupt loss of | | | | the damaged systems can be replaced. |
| control and subsequently slammed to the ground. | | | | In the end, flight 427 was recorded as the second |
| The aircraft ended up in a position that was classified | | | | deadly crash within a little over 2 months for the |
| as vertical nose down and killed the 5 crews and all | | | | company; the other one took place in July 1994 |
| 127 passengers. | | | | when USAir Flight 1016 crashed at Charlotte-Douglas |
| What was the result of the investigation? | | | | Airport. A number of people believe that these |
| Following what was recorded in aviation history as | | | | crashes brought on numerous financial disasters for |
| the longest investigation, which took over four years, | | | | USAir during that period. |
| the final statement reports that: The National | | | | |