PPRuNe Forums - View Single Post - SRS mode during windshear - A320
View Single Post
Old 26th Feb 2013, 22:38
  #46 (permalink)  
Bula
 
Join Date: Sep 2003
Location: Dunnunda
Posts: 496
Received 8 Likes on 3 Posts
Back to the Windshear scenario.


I think we are all forgetting that windshear in usually momentary over a very finite vertical space.

If the FACs have given a Windshear warning, the aircraft should remain in SRS once TOGA is selected. HOWEVER, there is a good chance once the maneuver has commenced and you have recovered you will still probably be below your ACC ALT, in this case 400'. In a severe case, you will have had an AP disconnect and be in A/FLOOR.

If you are above 400', having selected TOGA and reengaging SRS, you will need to engage another mode or wait until ALT* to revert from SRS.

RECOVER SMOOTHLY TO NORMAL CLIMB OUT OF THE SHEAR

That's the end of the procedure, from there it's up too you.

I dare say there will be a little of the following going on:

1. Where are we?
2. Are we safe?
3. Was it violent, do we have any cabin requirements?
4. Has my FO caught up yet? Are they onboard?

Etc etc etc

Given all that you may not want to accelerate to give some breathing space so selecting speed would be quite reasonable if the aircraft is no longer in SRS.

OEB 154 is a great example where SRS may not be the be all and end all.

Last edited by Bula; 26th Feb 2013 at 22:40.
Bula is offline