A319, vicinity Wuxi China, 2010

A319, vicinity Wuxi China, 2010

Summary

On 14 September 2010, the crew of a Sichuan Airlines Airbus A319 continued an ILS approach into Wuxi despite awareness of adverse convective weather conditions at the airport. Their inattention to automation management then led to a low energy warning and the inappropriate response to this led to the activation of flight envelope protection quickly followed by a stall warning. Inappropriate response to this was followed by loss of control and a full stall and high rate of descent from which recovery was finally achieved less than 900 feet agl.

Description

On 14 September 2010, an Airbus A319 being operated by Sichuan Airlines on a scheduled domestic passenger flight from Chongqing to Wuxi encountered previously forecast convective weather during the daylight approach in Instrument Meteorological Conditions (IMC) during which SPEED, Stall Warning and an Terrain Avoidance and Warning System (TAWS) hard warning and a temporary loss of control occurred. The crew eventually recovered control of the aircraft and made an uneventful diversion to Ningbo.

Investigation

The event was identified as a Serious Incident and an Investigation was carried out by the CAAC assisted by Quick Access Recorder data and flight crew interviews. An examination of the aircraft by engineers in Ningbo on arrival found that it remained airworthy. The Investigation also found, on the basis of a flight crew telephone conversation with the Sichuan Airlines’ Head of Flight Operations following their arrival in Ningbo, the flight crew had been permitted to continue their planned duty.

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