66.A.3 Licence categories and subcategories

Aircraft maintenance licences include the following categories and, where applicable, subcategories and system ratings:

(a)  Category A, divided into the following subcategories:

— A1 Aeroplanes Turbine;

— A2 Aeroplanes Piston;

— A3 Helicopters Turbine;

— A4 Helicopters Piston.

(b)  Category B1, divided into the following subcategories:

— B1.1 Aeroplanes Turbine;

— B1.2 Aeroplanes Piston;

— B1.3 Helicopters Turbine;

— B1.4 Helicopters Piston.

(c)  Category B2 The B2 licence is applicable to all aircraft.

(d)  Category B2L The B2L licence is applicable to all aircraft other than those in Group 1 as set out in Point 66.A.5(1) and is divided into the following ‘system ratings’:

— communication/navigation (com/nav),

— instruments,

— autoflight,

— surveillance,

— airframe systems.

 A B2L licence shall contain, as a minimum, one system rating.

(e)  Category B3 The B3 licence is applicable to piston-engine non-pressurised aeroplanes of 2000 kg Maximum Take-off Mass (MTOM) and below.

(f)  Category L, divided into the following subcategories:

— L1C: composite sailplanes,

— L1: sailplanes,

— L2C: composite powered sailplanes and composite ELA1 aeroplanes,

— L2: powered sailplanes and ELA1 aeroplanes,

— L3H: hot-air balloons,

— L3G: gas balloons,

— L4H: hot-air airships,

— L4G: ELA2 gas airships,

— L5: gas airships other than ELA2.

(g)  Category C The C licence is applicable to aeroplanes and helicopters.