![]() ![]() "In addition, the warning itself changes in both loudness and also in the frequency of the call-outs," says Airbus. It will only stop if the pilot sets both throttle levers to idle, or sets one lever to idle and the other to reverse. While the 'retard, retard' call-out normally stops if reverse-thrust is engaged on one of the two throttles, Airbus says the 'F5' change ensures that the warning will continue as long as one engine remains above idle thrust. This is necessary for flight controls such as the spoilers to deploy.Įuropean Aviation Safety Agency regulators are drawing up an airworthiness directive aimed at ensuring that the A320 logic continues to warn pilots if they do not follow this procedure correctly. Standard landing procedure on the A320 requires pilots to retard both throttle levers during landing. There had been previous instances of similar omissions, notably the overrun of a TransAsia Airways A320 at Taipei in 2004. Investigation of the fatal TAM A320 overrun at Sao Paulo Congonhas three years ago determined that, for unknown reasons, the crew only retarded one of the two throttle levers on landing. The 'enhanced retard' or 'F5' modification is intended to alert pilots if they have not correctly reduced thrust during touchdown. Airline Business special: CEOs to watch in 2021Īirbus A320 operators are being advised to modify the type's warning logic in a bid to provide additional safeguards against accidental failure to retard thrust on landing.FlightGlobal Guide to Business Aviation Training and Safety 2021.EDGE: A new global force in aerospace and defence.Shell Aviation: What will it take to Decarbonise Aviation?.What does the future of aviation look like in 2022?.Guide to Business Aviation Training and Safety 2022.What will it take to Decarbonise Aviation?.Airline Business Covid-19 recovery tracker.
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