PTU transfers pressure between green and yellow hydraulic systems, powered by L and R engines respectively. Yellow also has a second electric pump. If there is pressure differential such as between engine starts, PTU activates. If doing single engine taxi on L engine, the Yellow electric pump can be run to avoid the PTU barking.
The startup sound of the A320 has a huge sense of occasion for me. I travel on flights rarely, but when I do, I love the A320's gentle startup whine a lot!
That sound is not the flaps its the PTU or power transfer unit. It controls and regulates the blue green and yellow hydraulic systems on all aircraft but the planes you can hear it the most in are the A320 and A321
i think its the just the humming sound in generaly syyncing with eachother because of the factt tehat we arent perfect and one throttle stick is proabably ever ever evfer so slighter high than the other allowing a slightly hight throttle for that engines which cause them to sync then unsync
+Eduardo Ferrari This is Kuala Lumpur International Airport 2, located in Malaysia, the biggest low cost flight airport in the world and the tallest Air Traffic Control tower in the world
![[Quick Pushback + Engine Start] Jetstar Airbus A320 Departure from Hobart](http://i.ytimg.com/vi/ryphYS-Ctv8/mqdefault.jpg)
0:48 is just amazing love you Airbus.
Marwan Al-Shareef What is that sound?
lel lel it's called PTU.
PTU transfers pressure between green and yellow hydraulic systems, powered by L and R engines respectively. Yellow also has a second electric pump. If there is pressure differential such as between engine starts, PTU activates. If doing single engine taxi on L engine, the Yellow electric pump can be run to avoid the PTU barking.
The TPU (the dog barking under the cabin) is one of my favorite sounds, it makes me excited I'm going to fly!
PTU* :)
The startup sound of the A320 has a huge sense of occasion for me. I travel on flights rarely, but when I do, I love the A320's gentle startup whine a lot!
I love the engine start sound on the A320s, ever since my first flight. It's lovely.
same,and that's how my aviation era was born,i mean that's when i started liking aviation
@@Zhanqz yeah since i go with my first flight at that time i started to like about aviation stuff
love the barking dog and flaps sound.
hydraulic ptu
dj ortiz the PTU
ITS THE PTU
The airbus barking dog...love it
dukeofstradone me too
Tch. Just an Airbus barking dog...👍
Sound produced by PTU (Power Transfer Unit).
The PTU.
u mean the ptu?
Those are absolutely beautiful PTU sounds and amazing wing view!
love the a320.
same :p
Air bus fans .. like here
the air, the bus and the fan
No i think boeing is the best
Airbus safe
@@canpro6127 have you ever been watched 777 or 787 s videos :d this planes will change your mind and desicion :d
love the ptu sound
0:16
I love Airbus because This sound♥️♥️♥️
That sounds amazing
Indeed!
0:15 that's the sound of yourself growing.
Nice catch! Really like the sound when engine start and retract sound of the flaps..
That sound is not the flaps its the PTU or power transfer unit. It controls and regulates the blue green and yellow hydraulic systems on all aircraft but the planes you can hear it the most in are the A320 and A321
1:38
i was listening to this while playing a game. 0:48 scared the living daylights out of me
Wow the sound i love it! Better then B737
Similar to it :)
When I hear that sound let the vacation begin
Gotta love the PTU bark 💯
Always wanted to be a pilot :,(
mrbeadfor hey try to u problably will like the other aviators dream and do❤️❤️🤩
I agree
1:30 I love this weooeoeoe hahahaha
Aroof! AaaROOF woof woof! Wonderful sounds I always associate with planes when island hopping in the Philippines 😁
In my opinion. The a320 is the most diverse aircraft in terms of cabin noise. Right next to the 787
Love this sound ❤️❤️❤️
love the sound
So this was Air Asia A320 at Kuala Lumpur, they use CFM 56, sounds nice!
No it's a v 2500
an a320 has two engine option teh cfm 56 and teh v2500 i think thoguh its more common for the v2500 or the cfm 56 is used on the a321
Most iconic part of a320, the dog bark
The sound in 0:48 was the sound of the electrical pumps ?
It's the sound of the hydraulic PTU system
The electric hydraulic pump comes on at 0:36.
ruuuuu ru ru ruu
What's that sound in background? Is it Apu? It goes: meeeeeeeeeeheheheeeeeeeeeeeeeee when starting up
0:48
Where is that continuous humming sound coming from that is in sync with the engine throttle input? Is that the Engine Driven Pump?
i think its the just the humming sound in generaly syyncing with eachother because of the factt tehat we arent perfect and one throttle stick is proabably ever ever evfer so slighter high than the other allowing a slightly hight throttle for that engines which cause them to sync then unsync
Is that PTU Sound?? 0:48
Great sound
I can smell the diesel already
I think Aviation Turbine Fuel is a special grade of Kerosene
Is this KLIA2?
In which row did you sit?
is that klia?
Calvin Loo yep but klia 2
Airbus A320 barking dog sound... From PTU.. This is KLIA2
IAE V2500?
Airasia only has CFM56
Wow best Sound befor the Slepping
737 Vs❤ a320 ❤
which airport and to where?
+Eduardo Ferrari This is Kuala Lumpur International Airport 2, located in Malaysia, the biggest low cost flight airport in the world and the tallest Air Traffic Control tower in the world
woooo woof woof woof woof
Fly by wireeeeee 4everrrr
Which airport and which airline?
Appleboy78165 most likely air Asia and at Kuala Lumpur Terminal 2? Correct me if I’m wrong
Yup kila2 with an air Asia a320
İ think 737 👍👍7️⃣3️⃣7️⃣8️⃣💯✈✈
QUAL ASSENTO MEU JOVEM ????????
what is the dog sound
ptu
king 5009 it is the PTU
Probably there is a dog in the electrical pump! jk
That is actually the PTU or the power transfer unit it controls the green, blue and yellow hydraulic systems not electricity. :)
I said Jk, btw I know what the PTU is :)
CMF56-5b
how a expert xD
No iae v 2500
it s as loud as a 777 but so fu*kin small!
Similar 777 is louder than this aircraft.
KLIA 2 Malaysia
KLIA2
ptu bleed ;)
With no safety video
0:48
0:49