We have been told that it must be agreed by the end of next month due to conditions set by the actuaries.
Not exactly true... The actuarial evaluation will be in January. NATS
WANT this done and dusted by then so that the Actuary can take account of what they have done and reduce his projections on the underlying rate accordingly.
The only reason the vote is being rushed through is so they can look to maximise risk/cost reduction immediately. There's no requirements from the actuary or trustees to do so.
Another reason to say: No