Détails:
The first officer was performing the takeoff on runway 09L. Takeoff engine thrust was set at 1.42 EPR. All engines operated normally and the aircraft accelerated normally with no unusual vibration felt. Upon reaching the V 1 speed, they heard a loud bang and observed a flash on the right side of the aircraft. The aircraft veered slightly to the right. He, the captain, took control and rejected the takeoff. The flight engineer reported an engine failure. The aircraft was stopped on the runway about 1,000 feet from the departure end. The ATC local controller reported that the No. 4 engine was on fire. They performed the engine fire procedures and fired the engine fire bottles for the No. 4 engine. Airport emergency equipment arrived and extinguished the fire.
PROBABLE CAUSE: "Failure of the No. 4 engine fifth stage turbine hub due to a cyclic stress rupture for undetermined reasons, which resulted in an uncontained failure of the engine"
» Scramble 201(49)
| Statuts: | Accident investigation report completed and information captured |
| Date: | lundi 23 octobre 1995 |
| Heure: | 03:50 |
| Type/Sous-type: |  Boeing 747-121 (SCD) |
| Compagnie: | Tower Air |
| Immatriculation: | N613FF |
| Numéro de série: | 19647/16 |
| Année de Fabrication: | 1970-01-31 (25 years 9 months) |
| Heures de vol: | 22911 |
| Moteurs: | 4 Pratt & Whitney JT9D-7AH |
| Equipage: | victimes: 0 / à bord: 3 |
| Passagers: | victimes: 0 / à bord: 2 |
| Total: | victimes: 0 / à bord: 5 |
| Dégats de l'appareil: | Substantiels |
| Conséquences: | Repaired |
| Lieu de l'accident: | Miami International Airport, FL (MIA) ( Etats-Unis d'Amérique)
|
| Phase de vol: | Au décollage (TOF) |
| Nature: | Cargo |
| Aéroport de départ: | Miami International Airport, FL (MIA/KMIA), Etats-Unis d'Amérique |
| Port of Spain-Piarco Airport (POS/TTPP), Trinidad et Tobago | |
| Numéro de vol: | 803 |
The first officer was performing the takeoff on runway 09L. Takeoff engine thrust was set at 1.42 EPR. All engines operated normally and the aircraft accelerated normally with no unusual vibration felt. Upon reaching the V 1 speed, they heard a loud bang and observed a flash on the right side of the aircraft. The aircraft veered slightly to the right. He, the captain, took control and rejected the takeoff. The flight engineer reported an engine failure. The aircraft was stopped on the runway about 1,000 feet from the departure end. The ATC local controller reported that the No. 4 engine was on fire. They performed the engine fire procedures and fired the engine fire bottles for the No. 4 engine. Airport emergency equipment arrived and extinguished the fire.
Probable Cause:
PROBABLE CAUSE: "Failure of the No. 4 engine fifth stage turbine hub due to a cyclic stress rupture for undetermined reasons, which resulted in an uncontained failure of the engine"
Accident investigation:
 |
|
Sources:
» NTSB» Scramble 201(49)
Photos
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 Miami International Airport, FL et Port of Spain-Piarco Airport est de 2597 km (1623 miles).
La distance entre Miami International Airport, FL et Port of Spain-Piarco Airport est de 2597 km (1623 miles).
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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