Although NAPS has a large deficit it is being managed, early retirements will have to be funded in the sense that a VR, who will only be going with a pension, will need the scheme to crystallise this money internally This means BA will have to fund any outstanding deficit pertaining to that person now.
This may have been a factor during the past negotiation
The CR people were junior and would not have been a cost as they would have been in money purchased schemes.
Of course any future retrenchments may drag in more senior CR/VR NAPS members, and could be a major cost