noun
sailing south; southbound
Refers to a ship or aircraft traveling southward. Often used in nautical or aviation contexts.
船は南航を続けた。
The ship continued sailing south.
南航の飛行機は順調に飛んでいる。
The southbound plane is flying smoothly.
Compound of 南 (south) and 航 (sailing/navigation). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning.