aboard = on

 1. There’s a crew of fifteen people aboard this ship.

 They’re on the ship.

 They’re aboard the ship.

aboard a boat

 2. The passengers aboard the bus are heading downtown.

aboard a bus

 3. Aboard this plane are supplies and food for the people living on the island.

plane

4. There are only three people aboard the helicopter.

helicopter
5. They have traveled all around the world aboard this sailboat. sailing
 6. Pirates tried to get aboard the ship, but they were unsuccessful.
pirate flag
 7. They got aboard the lifeboat just before their ship sank. lifeboat

 8. Many business people work on laptops while aboard flights.

plane

 9. Welcome aboard! I hope you’ll like working for our company.

man and woman shaking hands