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TAME Flight 173

Coordinates: 2°51′55.3″S 78°56′59.5″W / 2.865361°S 78.949861°W / -2.865361; -78.949861
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1983 TAME Boeing 737 crash
The aircraft involved in the accident, photographed in May 1981 at Boeing Field, some months before delivery to TAME.
Accident
Date11 July 1983[1]
SummaryControlled flight into terrain (CFIT) due to pilot error
SiteBashún Hill, Ricaurte parish, near Mariscal Lamar International Airport, Cuenca, Ecuador
2°51′55.3″S 78°56′59.5″W / 2.865361°S 78.949861°W / -2.865361; -78.949861
Aircraft
Aircraft typeBoeing 737-2V2 Advanced
Aircraft nameCiudad de Loja
OperatorTAME
RegistrationHC-BIG
Flight originMariscal Sucre International Airport, Quito, Ecuador
DestinationMariscal Lamar International Airport, Cuenca, Ecuador
Occupants119
Passengers111
Crew8
Fatalities119
Injuries0
Survivors0

The 1983 TAME Boeing 737 crash is the deadliest aviation accident in the Ecuador, which a Boeing 737-2V2 Advanced, operated by the Ecuadorian national airline TAME, which was flying on a domestic route from the now-closed Mariscal Sucre International Airport in Quito to Mariscal Lamar Airport in Cuenca, crashed into a hill during final approach just 1 mile (1.6 km; 0.87 nmi) from its final destination, killing all 119 people on board.[1]

The crash was the first and deadliest crash in the history of TAME, and it remains as the deadliest plane crash in the history of Ecuador. An investigation later determined that the flight crashed due to the flight crew's lack of experience on the aircraft type, which caused a controlled flight into terrain.[2][3]

Aircraft

The aircraft involved in the accident was a Boeing 737-2V2 Advanced, with Pratt & Whitney type JT8D-17 engines. It was manufactured in 1981 and made its first flight on 11 June of that year. When Boeing delivered it, it was registered as N8283V, but when it arrived in the TAME fleet in October of the same year, its registration changed to HC-BIG. The aircraft was named "Ciudad de Loja" upon its delivery to TAME.[2][4] It was the only Boeing 737 ever operated by the airline.[5] The plane was piloted by captain Jorge Peña and an unnamed first officer. 103 people (95 passengers and all eight crew) came from Ecuador, 11 came from Colombia, and five from the United States.[6][7]

Flight history

On the morning of 11 July 1983, the aircraft took off from Mariscal Sucre International Airport in Quito for a domestic flight to Mariscal Lamar Airport in Cuenca with 111 passengers and eight crew members. The aircraft encountered foggy conditions during the final approach to Mariscal Lamar Airport, but the weather conditions of that day were reported as clear. The crew contacted the Cuenca control tower for permission to land the plane, which was granted.[6]

During the final few minutes of the flight, the pilots were distracted during a conversation (reportedly discussing labor problems in TAME) and didn't know that the plane was flying dangerously low towards a mountain. Also, at the same time, they were experimenting with some of the aircraft's controls and systems.[citation needed]

Seconds before the plane hit the mountain and 1 mile (1.6 km; 0.87 nmi) from the airport, the ground proximity warning system (GPWS) activated, announcing an imminent terrain collision and sounding an alarm. The captain and first officer attempted to climb clear of the mountain by applying full power on the engines and making a steep climb, but it was too late. The jetliner scraped the peak of Bashún Hill (which overlooks the runway of Marsical Lamar Airport), exploded, and slid down into a ravine; there were no survivors.[8]

Two minutes after the plane signal was lost from the radar screen, Cuenca air traffic control (ATC) declared an emergency. The following day, search aircraft and rescue teams arrived at the plane's last known position. Because of the remoteness and the difficulty of access to the crash site, it took rescue personnel several hours to reach the site itself.[citation needed]

Investigation

Initial fears of a possible sabotage were advanced by the civil aviation authorities[9][10] after a radio station reported witnesses to a mid-air explosion.[11][7] During the investigation, this was discarded due to lack of evidence. The civil authorities of aviation initiated an investigation, with cooperation of Boeing, Pratt & Whitney and the United States National Transportation Safety Board (NTSB).

The investigation results were presented several months later and concluded that pilot error was a direct cause in the crash. Several factors were identified: training of the pilots was not properly delivered by TAME for the Boeing 737-2V2 Advanced, the crew was not fully familiar with the controls of the aircraft, and the crew was distracted while trying to locate the runway in heavy fog, as a consequence, the plane went below the minimum safe altitude in a mountainous region with the flight crew ignoring the voice commands of the proximity radar until seconds before impact.[citation needed]

See also

References

  1. ^ a b Flight International: 286. 28 January 1984.{{cite journal}}: CS1 maint: untitled periodical (link)
  2. ^ a b Ranter, Harro. "ASN Aircraft accident Boeing 737-2V2 HC-BIG Cuenca". aviation-safety.net. Aviation Safety Network. Retrieved 6 July 2019.
  3. ^ TIEMPO, EL (11 July 2012). "Hace 29 años terminó un periodo trágico para la aviación en Cuenca" [29 years ago a tragic period for aviation in Cuenca ended]. EL TIEMPO (in European Spanish). Archived from the original on 31 March 2020. Retrieved 6 July 2019.
  4. ^ "HC-BIG TAME Boeing 737-200". www.planespotters.net. Retrieved 23 June 2020.
  5. ^ "TAME Fleet Details and History". www.planespotters.net. Retrieved 23 June 2020.
  6. ^ a b "119 Die in Ecuador Airline Crash". The New York Times. Associated Press. 12 July 1983. ISSN 0362-4331. Retrieved 28 May 2019.
  7. ^ a b Gorriaran, Ramon (12 July 1983). "Estalla en el aire un avión militar ecuatoriano con 119 personas a bordo" [An Ecuadorian military plane with 119 people on board explodes in the air]. El País (in Spanish). Ediciones El País. ISSN 1134-6582. Retrieved 28 May 2019.
  8. ^ "Una tragedia aérea hace treinta años" [An aerial tragedy thirty years ago]. web.revistavance.com (in Spanish). Archived from the original on 19 September 2018. Retrieved 6 July 2019.
  9. ^ "'Saboteurs' may have downed jet". Montreal Journal. 13 July 1983.
  10. ^ "Five Americans among victims of Ecuadorean airline crash". The Deseret News. 12 July 1983.
  11. ^ "119 die in crash of Ecuadorean jet". Pittsburgh Post-Gazette. Associated Press. 12 July 1983.
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