A and B1 Licence Subcategories

Categories A and B1 may be endorsed with the following subcategories for maintenance on combinations of aeroplanes and helicopters with turbine or piston engines:

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A1 and B1.1 - fixed wing aeroplane with turbine engines

A2 and B1.2 - fixed wing aeroplane with piston engine

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A3 and B1.3 - helicopter with turbine engine

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A4 and B1.4 - helicopter with piston engine