| 词条 | Air Wisconsin Flight 965 |
| 释义 |
|name = Air Wisconsin Flight 965 |occurrence_type = Accident |image = Swearingen SA-226TC Metro II, Swiftair AN0411770.jpg |image_size = 350 |alt = |caption = A Swearingen SA-226TC Metro II, similar to the accident aircraft |date = {{Start date|1980|06|12}} |summary = Loss of control after double engine flame-out |site = ca {{convert|5|km|mi|abbr=on}} North of Valley NE |coordinates = {{Coord|41|22|55|N|96|20|42|W|type:event|display=inline,title}} |aircraft_type = Swearingen SA226-TC Metro II |aircraft_name = |operator = Air Wisconsin |tail_number = N650S |origin = Outagamie County Regional Airport (ATW/KATW) near Appleton, Wisconsin |stopover = Minneapolis-St. Paul International Airport (MSP/KMSP) |stopover0 = |stopover1 = |stopover2 = |stopover3 = |last_stopover = |destination = Lincoln Municipal Airport (LNK/KLNK) |passengers = 13 |crew = 2 |injuries = 2 |fatalities = 13 |survivors = 2 }}Air Wisconsin Flight 965 (registration N650S) was a flight operated by Air Wisconsin that crashed near Valley, Nebraska in extremely poor weather conditions on June 12, 1980. The crash was caused by poor weather conditions making the engines fail and failure to recontrol the aircraft.[1] AccidentThe aircraft operating flight 965, a Swearingen SA226-TC Metro II, left Outagamie County Regional Airport on a one-stop flight to Lincoln Municipal Airport at 12:45 on the 12 June 1980. The flight stopped at Minneapolis-St. Paul International Airport and then continued on to Lincoln Municipal Airport.[1] While en-route but nearing its destination the aircraft experienced severe turbulence and was cleared to successively lower altitudes in an attempt to avoid the turbulence. During the descent the aircraft entered a region of severe precipitation, which caused both engines to flame-out due to very high levels of water ingestion. The crew managed to re-light both engines but lost control and impacted the ground. The aircraft struck the ground in a slightly nose down and right wing low attitude, bounced and then struck the ground a second time, sliding along the ground coming to a rest inverted. Both crew and eleven of the passengers were killed in the accident.[1] AircraftThe accident aircraft, SA-226TC Metro II c/n TC-228, had flown a total of 8055 hours and had first flown in 1976. There were no failures of the aircraft or its systems reported before the crash, or discovered by the investigation team.[1] InvestigationThe investigation focused on why the aircraft was flown deliberately into a region of very extreme weather, without air traffic control informing the crew of the weather or the on-board weather detection system indicating the extreme weather.[1] CausesThe direct cause of the crash was determined as flight into extreme weather causing the engines to flame-out and failure to maintain control during the recovery. Contributory causes were the failure of air traffic services to warn of the extreme weather and the inability of the aircraft's weather radar to penetrate even moderate precipitation, leaving the crew unaware of the extreme precipitation in the weather ahead.[2] Notes1. ^1 2 3 4 {{cite web|title=accident description|url=http://aviation-safety.net/database/record.php?id=19800612-1|website=aviation-safety.net|accessdate=7 November 2014}} 2. ^NTSB Accident investigation report on Air Wisconsin Flight 965 {{Aviation accidents and incidents in 1980}} 4 : Accidents and incidents involving the Fairchild Swearingen Metroliner|Aviation accidents and incidents caused by air traffic controller error|1980 in Nebraska|Aviation accidents and incidents in the United States in 1980 |
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