航空機(こうくうき)

こうくうき
noun
aircraft; airplane
formaltechnicaltransportation
1. aircraft; airplane
A general term for any machine capable of flight, including airplanes, helicopters, and other flying vehicles. A formal and technical term compared to the everyday 飛行機.
航空機(こうくうき)の部品(ぶひん)を製造(せいぞう)する工場(こうじょう)。
A factory that manufactures aircraft parts.
小型(こがた)航空機(こうくうき)が緊急(きんきゅう)着陸(ちゃくりく)した。
A small aircraft made an emergency landing.
この空港(くうこう)では一日(いちにち)に数百(すうひゃく)機(き)の航空機(こうくうき)が離着陸(りちゃくりく)している。
Several hundred aircraft take off and land at this airport every day.

A formal, inclusive term for any flying machine. Broader than 飛行機(ひこうき) (airplane), which refers specifically to fixed-wing aircraft.

Common collocations

Scope note

航空機(こうくうき) covers all aircraft including helicopters, gliders, and drones, while 飛行機(ひこうき) typically refers only to fixed-wing airplanes. In everyday conversation, 飛行機(ひこうき) is far more common; 航空機(こうくうき) is preferred in news reports, technical writing, and official documents.

Counter: 機(き)

Related Words

Synonym: 飛行機(ひこうき) (everyday term for airplane)
Related: 戦闘機(せんとうき) (fighter plane)
general
Added 2026.2.27 18:12 · Revised 2026.9.2 13:01
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