Sky OoA / Noble spawn clarification request

[Silverwolf23]

Hello sky goers,

I was hoping for some better clarification on the OoA and noble spawn mechanics. There seems to be a large amount of conflicting information.

After much browsing I have come to understand that the noble has a 7 day and a 3 day spawn. Both 7 day and 3 day can be going at the same time.

However I do not understand how to get the 3 day noble spawn cycle going.

1) The 7day noble pops on a (supposedly) static 7day timer
?) Does the 7 day timer start on pop or death?
?) Does the 7 day timer have a variance?

2) Upon the death of the 7 day noble an overseer of air spawns.

3) Supposedly the Overseer of Air does not depop according to wiki.
?) I don't understand why the above is true since I have personally witnessed the OoA depop right before the 7day noble pops.

4) Supposedly the 3 day noble timer starts if the noble is killed while OoA is up.
?) How does this work if the OoA depops right before 7 day noble repops?

5) Also supposedly the OoA can repop if noble is left up for a few days.
?) I have never witnessed this nor have I seen noble alive for more than 12 hours. Can anyone confirm?

6) According to some 2006 guides from live there can be at most 4 OoA which can result in multiple 3 day noble cycles allowing a noble pop 5 to 7 times in a week and sometimes up to 3 times in a 24 hr period. (Cannot confirm true for p99)

Please, PLEASE, provide some insight into this confusing spawn cycle.

And will someone please update the wiki with correct spawn timer info. (Multiple items for sky in the p99 wiki are missing or merely speculation)

Thank you to those who provide helpful information.