Fredairstair, perhaps different airlines have different agreements with HMRC about the taxability of sector pay? My airline deducts marginal rate tax off sector pay, so jazzcat's assumption is correct, at least in my case.
Interesting to find out Ryanair give an allowance for uniforms and car parking. Having to pay for car parking yourself is always one of the things most people I fly with cite as a reason for not joining!
Still not at the top of my list of airlines to join though.