SATA International - Accidents and Incidents

Accidents and Incidents

• On 4 August 2009, a SATA Airbus A320-200 operating flight S4-129 from Lisbon to Ponta Delgada bounced off the runway then subsequently experienced a severe hard landing of 4.86G, causing damage to the landing gear. Nothing was written in the aircraft's technical maintenance log, both flight crew and maintenance staff were unable to interpret the hard landing report and despite the damage, the aircraft was not removed from service and flew back to Lisbon in customer service as well as flying an additional 6 sectors. SATA said in a statement that the hard landing/load reports are not a mandatory requirement for the aircraft type and drew attention to the amount of time Airbus took to confirm to them the interpretation of the load report. Both landing gear legs subsequently had to be replaced. In their final report the Portuguese accident investigation authority the GPIAA determined that the primary cause of the incident was the ground spoilers deploying in flight after the aircraft had bounced 12 ft off the runway. Contributing factors were the failure of the pilot to go-around after the bounce, the failure of the pilot to retard the thrust levers before the first touchdown (which inhibited the ground spoilers deploying) and the pilot providing insufficient flare input. Airbus subsequently introduced a new software standard for the A320 in July 2010 to modify the ground spoiler deployment logic.