航空|こうくうkoukuu[0]heiban (flat)

1. nounaviation; flying
   その航空こうくう専門家せんもんかは統計とうけいを詳細しょうさいに分析ぶんせきした。↗

   The aviation expert analyzed the statistics in detail.

• Synonym飛行ひこうNeutralNeutral word for the act of flying in the air, as in 「飛行機」「低空飛行」; covers flying of any kind, not limited to airplanes.
• RelatedフライトNeutralNeutral loanword for a single flight or a scheduled flight, as in 「フライト時間」; the focus is on the specific flight rather than aviation as a field.

Use 「航空」 for the flying of aircraft and for air transport and the aviation industry, as in 「航空写真」「航空会社」. For the act of flying use 「飛行」, and for a specific flight use 「フライト」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 航空機こうくうきで空中くうちゅうを飛行ひこうすること。
2. 航空会社こうくうがいしゃ。