Endorsement of the full group 3 rating for cat. A, B1, B2 and C requires demonstration of practical experience, which shall include a representative cross section of maintenance activities relevant to category and to group 3.
For category B1, unless the applicant provides evidence of appropriate experience, the group 3 rating shall be subject to the following limitations, which shall be endorsed on the licence:
—metal structure aeroplanes
—composite structure aeroplanes
—wooden structure aeroplanes
—aeroplanes with metal tubing structure covered with fabric.