Aviation
Flight
noun, の adjective
Navigation in the sky is aviation and flight. Vroom vroom sky flying!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
あの航空会社は四月に新路線を増やす予定だ。
That airline company is adding a new route in April.