Most employers these days will be looking for GCSE's (not A levels) in Maths (and possibly Physics) prior to acceptance for an Apprenticeship.
These two subjects are now fundamental to this career and in order to become licensed you will need to pass modules in both Maths and Physics. The standard is roughly to GCSE level (see the link below for info)
http://aircraft-license.com/Pdf%20Fi...%20Module1.pdf
In addition, a reasonable grasp of Maths is needed to tackle the License electrical Modules (Module 3 etc)
Hope this helps
