Stan,
What's the companies and your Balpa CCs stance on redundancy policy? Alot of airlines including the one I work for are firmly in favour of LIFO - indeed its written into my Terms and Conditions. Therefore, if 23 pilots are to go, its the bottom 23 on the seniority list that go irrespective of base.
Now, age discrimination legislation has muddied the waters on this but Balpa nationally view LIFO as lawful and the least risk option for an airline when making compulsory redundancies.
Otherwise, someone like you who is relatively senior looses their job while hypothetically, someone who joined last week, but at a different base keeps theirs.
DH