onboard vs on board
Definitions
adverb
- on a ship, train, plane or other vehicle
Examples
The New York and Liverpool firm that your father belongs to sent on board an honest and peaceable cargo, but there was a good deal of room left in the hold, and the captain filled it up with cannon-balls, musket-bullets, and gunpowder from the English agents of no less a man than General Santa
The cash raising was not unexpected and allows a few more shareholders on board.
Angolan Armed Forces (FAA) General Joo Manuel lask week said that the 14 people on board that plane were alive and held hostage by UNITA forces.