航空

1. Origins, structure, and basic meaning

• Structure: 航空 is read as こうくう and is a noun for aviation or air transport involving the operation of aircraft to carry people or goods.
• Basic usage: An exhibit introducing aviation history appears in 航空の歴史を紹介する展示, while a flight's departure being delayed appears in 航空便の出発が遅れる.

2. Common pitfalls and similar expressions

• The field of flight and air transport
  • It denotes aviation operations, transport, or industry rather than one airplane and often appears as part of a compound.
• Difference from 空港
  • Unlike the word for the place where aircraft take off and land, this term describes operation and transport through the air.