Related Clues:

• Even the greatest men hail them
• They arrive and take off at airports
• Hack pack members
• Pickup enclosures
• They're for hacks
• Airport sights
• Members of the hack pack
• Urban fleet
• Truck parts
• Vehicles with meters
• Ones with stands
• They form an airport queue
• Fare carriers
• City autos
• Dispatched vehicles