you receive no flying pay until 6 years when you get the option of taking a £70k (taxed) lump sum for signing up to a further 6 year commitment
So is that expected to be:
a. 6 years back 'flying' pay (i.e. an equivalent daily rate of £31.96) followed by a daily 'flying pay' rate according to rank
or
b. A mix of 6 years back dated and 6 years advanced 'flying' pay (i.e. an equivalent daily rate of £15.98) but with no daily 'flying pay'.
My money would be on (b)......