1. managed speed after all flaps/slats extended. the Vapp selected we use is the one we calculated and entered in MCDU. if we go managed, same target speed but in managed + possibly the GS mini function.
Do we remain in SEL, or do we go Managed?
You can use speed managed.
2. Do we do Go around with speed SEL?
G.Around with the same speed as Vapp?
What is exact procedure for Go Around in this case if somebody could help please.??
When you go around, the SRS will be activated therefore you will be in managed speed. Once you reach your acceleration altitude you have 2 options : either you pull the speed and select the speed that you wish to fly according to the paper checklist or you preselect during the approach preparation a speed constraint in the go around routing so that once you start to accelerate you keep speed managed and the airplane will accelerate to your speed constraint. For the operating procedure, it is very well explained in the checklist.
3. As I understand When flaps/slats are deployed the red barber pole = VFE/VMO. I don't understand what is the difference between VFE and Max Speed (for flaps/slats jammed). Which one does the red barber pole indicate?
The barber pole will start at your VFE. As your VFE is displayed according to your flaps lever position, your barber pole will be displayed according to your flap lever position.
4. VFE is shown on PFD according to lever position? Overspeed is according to actual flap/slat position? Where is Overspeed shown on PFD? What is difference between VFE and Overspeed in this case?
The landing with slats or flaps jammed paper checklist is full of very interesting notes that you must read when applying this procedure as the core of the situation is contained in these small notes. Concerning the other speeds, check in your FCOM 3.04.10 in the supplementary procedures the definitions of the characteristic speeds, all you need to know is there.
Cheers.