This barking noise heard on Airbus A320 and A330 aircraft is caused by a hydraulic pump called the Power Transfer Unit (PTU). It operates automatically when the hydraulic pressure drops below a certain level. The barking noise is not a sign of any engine problems and is not dangerous. It can be slightly irritating for passengers, but it is a normal part of the aircraft's operation. Next time you fly on some @airbus aircraft, you'll know what that sound is! #airbus #aviation #ptu #hydraulics #air

A day of many firsts! ✈️ 20 years ago, the #A380 completed its first flight, marking a significant "first" in aerospace history, a landmark achievement and a true testament to Airbus's pioneering spirit. First aircraft to feature two full-length decks, the A380 redefined air travel, combining unparalleled capacity and comfort with groundbreaking technologies. The superjumbo introduced many new innovations still used today - from the full Digital Mock-Up, transforming the engineering process to a