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Last updated: 15 October 2019
Statuts:Enquête Officielle
Date:mercredi 27 juillet 1955
Heure:ca 05:38
Type/Sous-type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-149 Constellation
Compagnie:El Al Israel Airlines
Immatriculation: 4X-AKC
Numéro de série: 1968
Année de Fabrication: 1945
Equipage:victimes: 7 / à bord: 7
Passagers:victimes: 51 / à bord: 51
Total:victimes: 58 / à bord: 58
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:N of Petrich (   Bulgarie)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Intern.
Aéroport de départ:Wien-Schwechat International Airport (VIE/LOWW), Autriche
Aéroport de destination:Tel Aviv-Lod International Airport (TLV/LLBG), Israël
Numéro de vol:LY402
El Al flight LY402 was a scheduled service from London, U.K. to Tel Aviv, Israel with en route stops at Paris, France and Vienna, Austria.
The Constellation took off from Vienna at 02:53 for the last leg of the flight. The flight proceeded normally until over Yugoslavia. The airplane was following airway Amber 10 at FL180. The flight strayed off the airway and the crew misidentified the Skopje NDB, at which point the flight changed the heading to 142 degrees. This put the plane on a course to the Yugoslav/Bulgarian border.
After straying into Bulgarian airspace, the flight was attacked by two Bulgarian MiG-15 fighter aircraft. The Constellation began a descent and was attacked for a second time at an altitude of 8000 feet. The airplane was now on fire as it descended for an emergency landing. After approximately five minutes a third attack took place at an altitude of about 2000 feet. As a result of this
last attack, the aircraft broke up in mid-air.

The Constellation had strayed off course because of an incorrect radio compass indication due to the effects of thunderstorm activity in the area.

Probable Cause:

PROBABLE CAUSE: "The aircraft sustained a hit or hits which caused loss of pressurization and a fire in the heater compartment. The aircraft broke up in mid-air due to explosion caused by bullets hitting the right wing and probably the left wing together with a projectile or projectiles of large calibre in the rear end of the fuselage."

» ICAO Accident Digest Circular 50-AN/45 (146-159)

Opérations de secours
It was recommended that more VOR stations be used on airway Amber 10, instead of just one at the time of the accident.


photo of Lockheed-L-149-Constellation-
Presumed flight route

Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Wien-Schwechat International Airport et Tel Aviv-Lod International Airport est de 2344 km (1465 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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