FlyBe - found it
The list is still there - here we go:
* A valid passport
* An expired passport (can be used on domestic flights for up to two years after expiry)
* Valid photographic EU or Swiss national identity card
* Valid photographic driving licence
* Valid armed forces identity card
* Valid police warrant card/badge
* Valid airport employees security identity pass
* A child on parent’ s passport is an acceptable form of ID
* CitizenCard
* Valid photographic firearm certificate
* Valid Government-issued identity card
* SMART card
* Electoral identity card
* NUS cards photographic (National Union of Students)
* Photographic University/College ID card
* Company ID cards of Nationally recognised companies (photographic)
* Council issued bus pass (Senior Citizens only)
* Pension book (as only acceptable form of non-photographic identification)
* Young Scot Card