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10 July 2014
10. July 2014 Commercial Aircraft

An even quieter approach: Airbus introduces air flow deflectors on the A320 Family

A320 - Air Flow Deflector
Building on the A320 Family’s established reputation for quiet operations, Airbus is reducing noise levels even further for its popular single-aisle product line with the introduction of small underwing air flow deflectors. Positioned just ahead of underwing cavities for the fuel over-pressure protection system, these devices prevent the cavities from generating a “whistling” sound which can sometimes be heard on the ground when the engines are at idle during final approach. Air flow deflectors were implemented in production A320 jetliners this spring and are also available as a retrofit modification.
A320 - Air Flow Deflector

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