Matches in DBpedia 2016-04 for { ?s ?p <http://dbpedia.org/resource/Category:Air-cooled_aircraft_piston_engines> }
- Zanzottera_MZ_301 subject Category:Air-cooled_aircraft_piston_engines.
- Zanzottera_MZ_34 subject Category:Air-cooled_aircraft_piston_engines.
- Zenoah_G-25 subject Category:Air-cooled_aircraft_piston_engines.
- Zenoah_G-50 subject Category:Air-cooled_aircraft_piston_engines.
- Zoche_aero-diesel subject Category:Air-cooled_aircraft_piston_engines.
- Zündapp_9-092 subject Category:Air-cooled_aircraft_piston_engines.
- Category:Aircraft_air-cooled_V_piston_engines broader Category:Air-cooled_aircraft_piston_engines.
- Category:Aircraft_air-cooled_inline_piston_engines broader Category:Air-cooled_aircraft_piston_engines.
- Category:Aircraft_air-cooled_radial_piston_engines broader Category:Air-cooled_aircraft_piston_engines.