[@MerwynAlex97]

0:21 engine n2 start, 1:41 engine n1 start

[@adambachmid8460]

Love the PTU sound!!

[@jetstream454]

Which sound was this?

[@Obiwankenobi-vr9ur]

@@jetstream454 The 'Barking dog' sound

[@Forddude24]

Beautiful sound !! I can listen to it all day!

[@kwakka636]

Love that a320 whine

[@Obiwankenobi-vr9ur]

The IAE v2500 is my favourite engine for the a320

[@capitancanarias9427]

me too *_*

[@ahmedayaat2727]

cfm56 >

[@ghalibmahmudlaskar5980]

At 4:33 the sound is just like a heavy loaded truck climbing down a steep hilly road🙄🙏

[@viktorekman863]

Wdym?

[@kwakka636]

Passenger PTU 😊

[@danielvegas3647]

what is dat 1:30

[@surf2888]

PTU

[@brandonflores3330]

The greatest a320 sound

[@notx4v]

Its the sound of the PTU (Power Transfer Unit) transferring hydraulic power to another source. It powers the Flight Controls.