Related Clues:

• Entrained
• On base
• Alongside, nautically
• On the boat
• On deck, say
• Into the company
• On the ship
• On 13-Across
• Ready to go, in a way
• On the plane, e.g.
• On a ship
• Using a plane, train or bus
• On, as a plane
• On the liner
• On the bus