Managed/Selected ALT question

[LikeABoss]

When given clearance to climb to FL 300 for example and you select 300 on the alt knob and PULL, and chose a vertical speed of 1500 fpm, you now want to remove the V/S and just want a selected open climb to FL 300, all you do is push and then pull the ALT knob. Is this correct?
Can you choose a V/S when you push the alt knob(managed climb)?

While climbing to FL 300, the ATC now clears you to FL 350, will rotating the ALT knob take you to FL 350 or do you have to either push/pull again?
Is it the same when you're maintaining level at FL300 and given climb to FL350?

Lastly, when on approach and after intercepting the glide, selecting the altitude for missed approach, will this never cause the aircraft to assume it should climb to that altitude?

Thanks!

[CF09]

I assume this is an Airbus question...

If the vertical mode of the FMA reads ALT, then any selection must be followed by pulling (selected) or pushing (managed i.e. FMGC).

If you are in a climb or descent (OP CLB/CLB, OP DES/DES) then selecting a new level will be the new target to level off at.

Managed CLB will climb at managed speed (FMGC) at climb thrust (THR CLB) observing any constraints... V/S is a different mode, so setting a V/S will have no effect until you select it (pull). Now you are climbing (or descending) in V/S mode...

On approach, (GS* or GS) selecting a different target altitude will have no effect until you set TOGA (assuming you have set a higher altitude...) then it will be the new target altitude to level off at IF you go-around or discontinue the approach.

Regardless of vertical mode (unless protections have kicked in...) PUSH TO LEVEL OFF will over-ride the previous mode and V/S will be zero (thrust engages in SPEED).

[Neupielot]

QUOTE]When given clearance to climb to FL 300 for example and you select 300 on the alt knob and PULL, and chose a vertical speed of 1500 fpm[/QUOTE]

Select 300 then set VS +1500 if you want to climb in VS mode. No need to pull alt know then set vs.

you now want to remove the V/S and just want a selected open climb to FL 300, all you do is push and then pull the ALT knob. Is this correct?


just pull alt knob for open climb. no need to push then pull.

Can you choose a V/S when you push the alt knob(managed climb)?

No

While climbing to FL 300, the ATC now clears you to FL 350, will rotating the ALT knob take you to FL 350 or do you have to either push/pull again?


Im assuming you havent got to ALT* or ALT ( while climbing ).
Just set 350 in alt window. no need to pull or push alt knob.
If FMGC cruize alt was set at below 350 before u set the new alt 350, you will get a msg on the scratch pad " NEW CRZ ALT 350 ".

Is it the same when you're maintaining level at FL300 and given climb to FL350?


No. If you already maintaning 300, then you will be in ALT or ALT CRZ mode. So to climb to 350 you will need to set 350 in alt window, then push for open climb or push for managed climb or set desired vs for climb in vs mode ( not recommended ).

Lastly, when on approach and after intercepting the glide, selecting the altitude for missed approach, will this never cause the aircraft to assume it should climb to that altitude?



No it wont. Its in GS mode.

Hope it helps.

[HPbleed]

Your first post in Nov 2011 (2 months ago) shows that you do not even hold a PPL.

Every single thread you have started since then has been about A320, which suggests to me you are flying an armchair.

Learn to walk before you start running and please stop clogging up a technical questions forum with waffle about flight simulator.

[babotika]

Nothing wrong with wanting to know how a bus works, but start by reading every document here (http://www.smartcockpit.com/plane/airbus/A320/) before asking questions in this forum ;)

S.