The levels of cover can vary depending on the policy type you have. All the information you need would be in the Travel Insurance policy booklets. The below link will bring you to the AA Travel Insurance policy booklets.
Are there benefits for AA Members?
AA Members get extra beneﬁts on Travel Insurance with the AA Extra Policy. If you’re an AA Member at the time you take out Annual Travel Insurance, as well as the usual beneﬁts, you can enjoy unlimited medical cover and no excess on claims.