Sound | 787 Flaps

It’s one of the most recognizable sounds in modern aviation. Just before takeoff or during approach, the Boeing 787 Dreamliner performs a carefully choreographed sequence:

Why does the 787 sound different from the 767 or A330 during flap extension? 787 flaps sound

🔊 Audio Analysis: The 787 Flaps Sound It’s one of the most recognizable sounds in

Unlike older aircraft that rely on pneumatic or engine bleed air, the 787 uses a "more electric" architecture. That distinct sound you hear? That's high-pressure hydraulics moving composite structures, preparing to generate 85% of the lift needed to get 550,000 lbs off the runway. 000 lbs off the runway.