Crash-aerien 03 JUL 1988 d'un Airbus A300B2-203 EP-IBU - Qeshm Island
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Statuts:Accident investigation report completed and information captured
Date:dimanche 3 juillet 1988
Heure:10:24
Type/Sous-type:Silhouette image of generic A30B model; specific model in this crash may look slightly different
Airbus A300B2-203
Compagnie:Iran Air
Immatriculation: EP-IBU
Numéro de série: 186
Année de Fabrication: 1982-03-16 (6 years 4 months)
Heures de vol:11497
Moteurs: 2 General Electric CF6-50C2
Equipage:victimes: 16 / à bord: 16
Passagers:victimes: 274 / à bord: 274
Total:victimes: 290 / à bord: 290
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:4 km (2.5 milles) SE de Qeshm Island (   Iran)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Intern.
Aéroport de départ:Bandar Abbas Airport (BND/OIKB), Iran
Aéroport de destination:Dubai Airport (DXB/OMDB), Emirats Arabes Unis
Numéro de vol:IR655
Détails:
Iran Air flight 451 arrived at Bandar Abbas (BND) from Tehran (THR) at 08:40. The Airbus A300 was to continue to Dubai (DXB) as flight 655. Prior to departure the crew received an enroute clearance to Dubai via the flight planned route A59 and A59W at FL140. The flight took off from runway 21 at 10:17 hours and climbed straight ahead.
Two minutes later, the crew reported leaving 3500 feet for FL140 on Airway A59, estimating MOBET at 06:53 UTC (10:23 Iran time). At 10:24:00 the aircraft passed MOBET out of FL120. At 10:24:43 the Airbus was hit by surface-to-air missiles. The tail and one wing broke off as a result of the explosions. Control was lost and the aircraft crashed into the sea.
The missiles were fired by the US Navy cruiser USS Vincennes. It was operating in the area together with the frigates USS Elmer Montgommery and USS John H. Sides. They were to protect other ships in the area.
At about the time the Airbus took off, the radar aboard the USS Vincennes picked up a brief IFF mode 2 response, which led to the mistaken identification of the Airbus as a hostile F-14 aircraft. The USS Vincennes issued 7 challenges on the Military Air Distress (MAD) frequency 243 MHz, addressed to 'Iranian aircraft', 'Iranian fighter' or 'Iranian F-14'. These messages were followed by three challenges on the IAD (International Air Defence) radio frequency.
Due to increasing tension in the area - on May 17, 1987 an Iraqi Mirage had attacked USS Stark - all aircraft in the area had to monitor 121.5 Mhz: the International Air Defence - IAD radio frequency. There was no response.
Meanwhile radar operators were monitoring the Aegis screens. They reported that the incoming plane was descending with an increasing speed. In fact, the Airbus was climbing. Considering itself and USS Montgomery under aggression, USS Vincennes took the ultimate decision to launch missiles against the perceived hostile target at 10:24:22.
It remains uncertain whether the IR655 flight crew (only able to monitor the IAD, not the MAD frequencies) would have been able to rapidly identify their flight as the subject of the challenges made by the USS Vincennes.

Probable Cause:

CAUSES: "The aircraft was perceived as a military aircraft with hostile intentions and was destroyed by two surface-to-air missiles ."

Accident investigation:

cover
Investigating agency: ICAO
Status: Investigation completed
Download report: Final report

Sources:
» ICAO Adrep Summary 3/88 (#1)
» ICAO Circular 260-AN/154 (27-51)


Opérations de secours

ICAO issued 8 Safety Recommendations

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Photos

photo of Airbus-A300B2-203-EP-IBU
accident date: 03-07-1988
type: Airbus A300B2-203
registration: EP-IBU
 

Plan
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 Bandar Abbas Airport et Dubai Airport est de 239 km (149 miles).
Accident location: Exact; as reported in the official accident report.

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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