Accident
Last updated: 20 October 2014
Status:Schlussbericht
Datum:Mittwoch 9 August 1995
Zeit:20:14
Flugzeugtyp:Silhouette image of generic B732 model; specific model in this crash may look slightly different
Boeing 737-2H6
Fluggesellschaft:Aviateca
Kennzeichen: N125GU
Werknummer: 23849/1453
Baujahr: 1987-09-26 (7 years 11 months)
Betriebsstunden:16645
Anzahl Zyklen der Zelle:20323
Triebwerk: 2 Pratt & Whitney JT8D-15A
Besatzung:Todesopfer: 7 / Insassen: 7
Fluggäste:Todesopfer: 58 / Insassen: 58
Gesamt:Todesopfer: 65 / Insassen: 65
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:24 km (15 Meilen) NE San Salvador (   EI Salvador) show on map
Flugphase: Annäherung (APR)
Betriebsart:Internationaler Linienflug
Flug von:Guatemala City-La Aurora Airport (GUA/MGGT), Guatemala
Flug nach:San Salvador-Comalapa International Airport (SAL/MSLP), EI Salvador
Flugnummer: 901
Unfallbericht:
Flight GUG901 (Miami-Guatemala City-San Salvador-Managua-San Jose) encountered bad weather (heavy rain, thunderstorms) while approaching San Salvador. The crew therefore diverted off Airway G346 to avoid the thunderstorms. The aircraft should then have passed overhead the airport and turn right downwind for an ILS approach to runway 07. There seemed to be some confusion as to the position of the aircraft. The aircraft was at 5000 feet (as cleared by ATC) when the GPWS sounded. Full power was applied, but the Boeing struck the San Vicente Volcano (also known as Chinchontepec, 2181m high) at an altitude of 1800m.

PROBABLE CAUSE: "The Direccion General De Transporte Aereo determines that the probable cause of the accident was the flight crew's lack of situational awareness in relation to the 7,159 foot obstruction, the flight crew's decision to descend below the MSA while deviating from a published transition or approach, and the ambiguity of position information between both the flight crew and the air traffic controller which resulted in the controller's issuance of an altitude assignment that did not provide terrain clearance. Contributing to the accident was the failure of the First Officer to direct his concern of reported positions to the Captain in a more direct and assertive manner and the failure of the controller to recognize the aircraft's reported position relative to obstructions and give appropriate instructions/warnings. An ineffective CRM program at Aviateca also contributed to the accident ."

Informationsquelle:
» Air Safety Week 14.08.1995 (p. 2)
» Flight International 23-29.08.95(12)
» NTSB
» Scramble 196(64)
» Volkskrant 11.8.1995(4)


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Guatemala City-La Aurora Airport to San Salvador-Comalapa International Airport as the crow flies is 202 km (126 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Boeing 737-200

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