Go Back  PPRuNe Forums > Flight Deck Forums > Tech Log
Reload this Page >

RAT MAN ON pb A320

Tech Log The very best in practical technical discussion on the web

RAT MAN ON pb A320

Old 6th May 2023, 10:02
  #1 (permalink)  
Thread Starter
 
Join Date: Apr 2013
Location: Europe
Age: 54
Posts: 40
Likes: 0
Received 0 Likes on 0 Posts
RAT MAN ON pb A320

Hello pilots A320!
Who can explain about RAT (RAM AIR TURBINE).
Iíve question. What is difference for use between RAT MAN ON pb (HYDRAULIC SYSTEM) and RAT MAN ON pb (EMER ELEC PWR)
FCOM says:
HYD
RAT MAN ON pb. The flight crew may extend the RAT at any time by pressing the RAT MAN ON pushbutton.
Note:The RAT extends automatically if AC BUS 1 and AC BUS 2 are lost. (Refer to Overhead Panel (Cont'd))

EMER ELEC PWR
RAT MAN ON pb (guarded)
AUTO:
When the following conditions are met:
AC BUS 1 is not electrically supplied, and
AC BUS 2 is not electrically supplied, and
Aircraft speed is greater than 100 kt.
ē The RAT extends, and
ē The blue hydraulic system drives the emergency generator.
As soon as the emergency generator electrical parameters are within tolerance the emergency generator is connected to the aircraft network.
StrIA is offline  
Old 6th May 2023, 11:35
  #2 (permalink)  
 
Join Date: Jun 2007
Location: Wanderlust
Posts: 3,403
Likes: 0
Received 0 Likes on 0 Posts
Want RAT only for hydraulic power use hydraulic panel. If you also want to power AC ESS to be powered by emergency generator go EMER ELEC panel.
vilas is offline  
Old 7th May 2023, 06:21
  #3 (permalink)  
I want a Blue User Title
 
Join Date: Oct 2016
Location: Winterthur
Posts: 166
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by vilas
Want RAT only for hydraulic power use hydraulic panel. If you also want to power AC ESS to be powered by emergency generator go EMER ELEC panel.
Same as I was told but can't seem to find it anywhere. Ofcourse I can just accept it but would be nice to see an application of it.

Thanks however.
k.swiss is offline  
Old 7th May 2023, 14:52
  #4 (permalink)  
 
Join Date: Jul 2006
Location: Somewhere over the rainbow
Posts: 946
Likes: 0
Received 0 Likes on 0 Posts
Just try it in the sim when you have a chance. If you deploy the RAT from the Hydraulic panel the EMER GEN won’t be energised. That’s the only difference I believe.
pineteam is offline  
Old 8th May 2023, 18:24
  #5 (permalink)  
I want a Blue User Title
 
Join Date: Oct 2016
Location: Winterthur
Posts: 166
Likes: 0
Received 0 Likes on 0 Posts
Talking

Originally Posted by pineteam
Just try it in the sim when you have a chance. If you deploy the RAT from the Hydraulic panel the EMER GEN wonít be energised. Thatís the only difference I believe.
No I am a low-hours FO. No such luxury of pushing buttons I'm afraid, just in and out, yes Captain thank you Captain and hope to pass.
k.swiss is offline  
Old 8th May 2023, 18:37
  #6 (permalink)  
 
Join Date: Jun 2007
Location: Wanderlust
Posts: 3,403
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by k.swiss
No I am a low-hours FO. No such luxury of pushing buttons I'm afraid, just in and out, yes Captain thank you Captain and hope to pass.
Look at the diagram in electrical system about ELEC EMER. It will show two different solenoids that operate from different positions leading to blue hydraulics.
vilas is offline  
Old 8th May 2023, 20:48
  #7 (permalink)  
I want a Blue User Title
 
Join Date: Oct 2016
Location: Winterthur
Posts: 166
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by vilas
Look at the diagram in electrical system about ELEC EMER. It will show two different solenoids that operate from different positions leading to blue hydraulics.
Highly appreciated. Understood it now, cheers.
k.swiss is offline  
Old 9th May 2023, 05:56
  #8 (permalink)  
 
Join Date: Jul 2006
Location: Somewhere over the rainbow
Posts: 946
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by k.swiss
No I am a low-hours FO. No such luxury of pushing buttons I'm afraid, just in and out, yes Captain thank you Captain and hope to pass.
Haha! I know the feeling.. Been there. But if you have a nice TRE/TRI who’s not in a rush to go home after your sim session done and some time left; That’s your chance to do these kind of experiments. Enjoy the Bus =)
pineteam is offline  
Old 9th May 2023, 07:43
  #9 (permalink)  
I want a Blue User Title
 
Join Date: Oct 2016
Location: Winterthur
Posts: 166
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by pineteam
Haha! I know the feeling.. Been there. But if you have a nice TRE/TRI whoís not in a rush to go home after your sim session done and some time left; Thatís your chance to do these kind of experiments. Enjoy the Bus =)
Cheers!
k.swiss is offline  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.