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Accident
Last updated: 17 October 2017
Status:
Datum:Montag 14 August 1972
Zeit:17:01
Flugzeugtyp:Silhouette image of generic IL62 model; specific model in this crash may look slightly different
Ilyuschin 62
Fluggesellschaft:Interflug
Kennzeichen: DM-SEA
Werknummer: 00702
Baujahr: 1970
Betriebsstunden:3520
Triebwerk: 4 Kuznetsov NK-8-4
Besatzung:Todesopfer: 8 / Insassen: 8
Fluggäste:Todesopfer: 148 / Insassen: 148
Gesamt:Todesopfer: 156 / Insassen: 156
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Königs Wusterhausen (   Deutschland)
Flugphase: Während des Fluges (ENR)
Betriebsart:Internationaler außerplanmäßiger Passagierflug
Flug von:Berlin-Schönefeld Airport (SXF/EDDB), Deutschland
Flug nach:Bourgas Airport (BOJ/LBBG), Bulgarien
Unfallbericht:
The Interflug flight departed Berlin-Schönefeld at 16:30. Thirteen minutes later as the airplane was climbing through 8900 m, the crew reported elevator problems. The pilot requested an immediate return to the airport. At 16:51 the crew decided to start the fuel dumping procedure in order to decrease the landing weight. Three minutes later an emergency descent was initiated. The situation of the plane worsened as the crew had detected a fire in the rear. At 16:59:25 they issued a Mayday, stating that they had problems controlling their altitude. They also reported a fire on board. The airplane entered an uncontrolled descent during which the tail section failed. The Ilyushin broke up and crashed.

Probable Cause:

A hot-air tube in the rear of the airplane had contained a leak for some time. During the operation of the plane hot air with temperatures of around 300 degrees C had caused a weakening of the insulation material of electricity wires and the airplane controls. Immediately after takeoff on the ill-fated flight, a short-circuit occurred. Sparks with a temperature of up to 2000 degrees C caused substanial melting and ultimately a fire in the nr. 4 cargo bay which was located in the rear of the plane. The fire weakened the fuselage structure, causing the tail section to fail in-flight.

Informationsquelle:
» Soviet Transports
» Weg und Absturz der Interflug / K-D. Seifert


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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 Berlin-Schönefeld Airport to Bourgas Airport as the crow flies is 1499 km (937 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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