This is the 3336th most frequent Japanese word.
搭乗
"Boarding" (the act of getting on a vehicle, typically an aircraft).
Here, 搭乗 refers to the act of boarding, specifically getting onto an airplane.
私たちは午後3時に搭乗する予定です。
We are expected to board at 3 PM.
In this sentence, 搭乗 highlights the period when passengers are boarding the plane.
彼は搭乗中の不快な出来事について話していました。
He was talking about an unpleasant event that occurred during boarding.
Here, 搭乗 specifies the action of boarding a plane, emphasizing the process or prerequisites required.