Sparkignition reciprocating or rotary internal combustion piston engines

Sparkignition reciprocating or rotary internal combustion piston engine, for aircraft

Sparkignition reciprocating or rotary internal combustion piston engine (excl. those for aircraft or marine propulsion and reciprocating piston engine of a kind used for vehicles of chapter 87)

Sparkignition reciprocating or rotary internal combustion piston engines

Aircraft engines

Marine propulsion engines

Other engines

Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87