66.A.5 Aircraft groups

For the purpose of ratings on aircraft maintenance licences, aircraft shall be classified into the following groups:

(1)Group 1 is composed of:

(i)aeroplanes certified for a MTOM exceeding 5 700 kg; aeroplanes certified for a maximum passenger seating configuration of more than 19; aeroplanes certified for operation with a minimum crew of at least two pilots; aeroplanes equipped with (one) turbojet engine(s) or more than one turboprop engine; aeroplanes with maximum certified operating altitude exceeding FL290 powered with a power plant other than piston; aeroplanes with a power plant not being piston, turbine or electric;

(ii)helicopters certified for a MTOM exceeding 3 175 kg; helicopters certified for a maximum passenger seating configuration of more than nine; helicopters certified for operation with a minimum crew of at least two pilots; helicopters equipped with multiple engines; helicopters equipped with a power plant not being piston, turbine or electric;

(iii)gas airships other than ELA2;

(iv)non-conventional aircraft; and

(v)aircraft equipped with fly-by-wire systems. Notwithstanding the first paragraph, the Agency may decide to classify into a subgroup of Group 2, Group 3 or Group 4, as appropriate, an aircraft which meets the conditions set out in the first paragraph, if it considers that the lower complexity of the particular aircraft justifies so.

(2)Group 2: aircraft other than those in Group 1 belonging to the following subgroups:

(i)subgroup 2a: single turboprop engine aeroplanes;

(ii)subgroup 2b: single turbine engine helicopters;

(iii)subgroup 2c: single piston engine helicopters;

(iv)subgroup 2E: aeroplanes with electric power plant.

(3)Group 3: piston engine aeroplanes other than those in Group 1.

(4)Group 4: sailplanes, powered sailplanes, balloons and airships, other than those in Group 1.