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A321, vicinity Singapore, 2010
From SKYbrary Wiki
On 27 May 2010 an Airbus A321-200 being operated by Australian operator JetStar on a passenger flight from Darwin to Singapore continued an initial approach at destination in day Visual Meteorological Conditions (VMC) with the aircraft inappropriately configured before a late go around was commenced which was also flown in a configuration contrary to prescribed SOPs. A subsequent second approach proceeded to an uneventful landing. There were no unusual or sudden manoeuvres during the event and no injuries to the occupants.
An Investigation was carried out by the Australian Transport Safety Bureau (ATSB) and recorded flight data was available. It was established that the First Officer had been PF for the sector. As the Instrument Landing System (ILS) LLZ for runway 20R was intercepted as instructed from a radar heading, the PF advised visual with the runway and this condition was retained thereafter. Once on the ILS LLZ, the AP had been disconnected using a method which activated the Master Warning. Shortly afterwards, the aircraft commander became distracted by message tones on his mobile phone and his action to unlock it and switch it off. The PF had to set his own Missed Approach stop altitude on the FCU and at the automated 1000 feet aal Rad Alt callout, neither pilot appeared to be aware that configuration for landing had not been achieved. The Investigation found that in the two minutes which elapsed whilst the aircraft descended (at a normal speed) from 2800 feet to 1000 feet, the following routine actions had not been completed:
- selecting the landing gear down
- selecting the flaps to ‘Config 3’ and then ‘full’
- arming the ground spoilers
- selecting auto brake
- completing the landing checklist
- checking the flight parameters.