The Pensions Ombudsman (PO) has ruled in favour of the trustees of the Airways Pension Scheme (APS) in the latest twist in a long-running battle over indexation.
The BT Group pension scheme's deficit hit £7.3bn gross of tax after an increase in market inflation expectations.
Unite is balloting more than 5,000 Ford workers over strike action in a row over job security and pensions.
The UK's headline inflation rate fell to 2% in December, rounding off a near 1% fall since the summer, official data has shown.
The UK's headline inflation rate has fallen to its lowest level in four years after edging down to 2.1% in November.
QinetiQ has closed its defined benefit (DB) scheme to future accrual, cutting its deficit by half to £20m.
British Airways (BA) will continue to "contest every claim" from pensioners for inflation protection compensation, despite losing the initial judgment.
A pensioner in the Airways Pension Scheme (APS) has won a default judgment against British Airways (BA) to cover losses after the scheme downgraded inflation protection.
The consumer (CPI) and retail prices index (RPI) measures of inflation have hit their lowest levels since September 2012, according to the Office for National Statistics (ONS).
Around 50 pensioners have filed cases with the small claims court against British Airways (BA) over changes to the Airways Pension Scheme's (APS) inflation protection.