un kō
1. operation (of a ship or aircraft route); service
★ Common
Noun
#124924
1. operation (of a ship or aircraft route); service
1. Was not operated.; Did not fly.
1. If/when operating; If it were operating
1. Operation; Running
1. Is not operating.; Does not fly.
1. If/when operating; If/when in operation
1. Probably operating.; Likely to operate.
1. By operation; With operation
1. Was in operation; Was flying
1. Probably will operate.; Likely to run.