Related Clues:

• Jumbo __
• Adjective for black
• Jumbo plane?
• Black stream
• Travel quickly
• Rich black variety of lignite
• Boeing 787, for one
• 767, e.g
• 747, e.g
• Boeing 757, e.g
• Hot tub feature
• Jumbo ____
• Intense black
• One in a 48 Across
• Speedy transport (example #1)