Airlink : 4Z : LNK :
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Airlink : 4Z : LNK :
par Jeannot Mar 08 Déc 2009, 00:00
Quatrième accident/incident pour Airlink en 3 mois. Cette fois ci une sortie de piste d'un ERJ-135
[Vous devez être inscrit et connecté pour voir ce lien]Regional carrier South African Airlink has suffered another serious operational incident, its third in less than three months, this time involving an [Vous devez être inscrit et connecté pour voir ce lien] ERJ-135.
The aircraft aquaplaned while landing at George Airport, near the southern coast, while operating flight SA8625 from Cape Town.
Airlink says that all 30 passengers and the three crew members have escaped without injury. The carrier states that the aircraft "appears to be damaged".
Images from the scene show that the jet has travelled part-way down an embankment and come to rest on a road, with substantial damage to its nose section.
Airlink and the South African civil aviation authority identify the twin-jet as bearing registration ZS-SJW. Flight's ACAS database gives this as a nine-year old example last listed as being owned by Coronation Aircraft Leasing.
"Airport staff and trauma counsellors are with the passengers at present," says the airline.
Meteorological data for the time of the accident, which Airlink gives as 11:06, shows light rain and variable winds, primarily from the east.
George Airport has a single main runway, designated 11/29, with a length of approximately 2,000m (6,560ft).
The incident follows just weeks after a [Vous devez être inscrit et connecté pour voir ce lien] Jetstream, operated by Airlink, veered off the runway during take-off from Port Elizabeth on 18 November.
Airlink also suffered a fatal take-off accident on 24 September when another Jetstream lost engine power and crashed at Durban, killing the pilot
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Re: Airlink : 4Z : LNK :
par Jeannot Lun 28 Déc 2009, 01:25
Airlink cloue au sol sa flotte de BAE Jetstreal 41 après qu'un nouveau RTO ait démontré un souci sur un des moteurs Honeywell TPE331.
[Vous devez être inscrit et connecté pour voir ce lien]Embattled South African regional carrier Airlink has grounded its entire [Vous devez être inscrit et connecté pour voir ce lien] Jetstream 41 turboprop fleet, after another safety incident.
The carrier has acted after a Jetstream yesterday aborted take-off from Nelspruit, in the northeast of the country, when it suffered a component failure in one of its engines.
Investigation of the incident has found that one of the Honeywell TPE331 engines suffered a failure of a turbine seal plate component.
Airlink says that the failure bore similarities to the engine problem which contributed to a fatal Jetstream crash at Durban on 24 September.
"The safety of our passengers, crew and equipment is our top priority," says the airline.
"While our crews are trained to deal with engine failures on take-off, we share the South African Civil Aviation Authority's view that - in light of two such failures in several weeks - this represents an unnecessary and unacceptable risk."
It claims, however, that the maintenance of the turbine seal plate is beyond its control because the component is selected and installed by Honeywell.
Airlink's accident at Durban was followed by two other serious events over the following weeks, which prompted a close inspection of its procedures and Government-level concern over the carrier's operations.
The carrier was permitted to continue flying earlier this month, on condition that it address issues picked up during the inspection.
Airlink has around a dozen Jetstreams and the grounding has forced it to shuffle its timetable and hire external capacity.
The airline's chief executive, Rodger Foster, says that the Jetstreams will stay out of service until Honeywell and the airframer, BAE Systems, have "identified and implemented a remedy".
Airlink points out that other types of aircraft in its fleet are unaffected and are operating flights normally.
Jeannot- Membre
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Re: Airlink : 4Z : LNK :
par Jeannot Mer 30 Déc 2009, 08:39
Selon les enquêteurs sud africains, l'accident du Jetstream 41 à Port Elizabeth était du à un problème de cable sur l'assistance de la roue avant.
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Problème supplémentaire... Le fabricant n'existe plus.South African investigators have determined that slippage of a worn nose-gear steering cable led to an Airlink [Vous devez être inscrit et connecté pour voir ce lien] Jetstream 41's veering off the runway during take-off from Port Elizabeth last month.
The aircraft, bound for East London, had travelled around 400m along Port Elizabeth's runway 08 and reached a speed of about 70kt when it started heading to the left. It came off the runway and stopped about 35m from the left-hand edge.
In the early stages of take-off the aircraft is normally steered through a self-centring tiller, which connects to the nose-wheel through a gear and a steering cable.
Once the aircraft reaches about 70kt, the rudder gains sufficient authority to take over from the tiller as the primary steering control.
Inspection of the aircraft, says the South African Civil Aviation Authority, discovered that the steering cable was kinked - possibly during installation - and that it had worn against the steering gear, eventually resulting in intermittent slippage.
The CAA says the maintenance manual specifies that the tiller mechanism and cable is provided as a single unit, but adds: "However, as the vendor for the tiller mechanism is no longer able to provide it as a complete unit, industry practice has become to only replace the cable."
Wear on the gear teeth remains present, it states, and can only be detected once play appears with tiller movement.
None of the 29 passengers and three crew members was injured in the incident, on 18 November, but the event added to concerns over Airlink operations, which had already been under examination following a Jetstream accident in September.
Airlink has since grounded its Jetstream 41 fleet while it addresses a technical issue relating to the type's engines.
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