Related Clues:

• Heathrow takeoff sound?
• Hidden theme of the puzzle
• Brit's ''Later!''
• "See ya ___!"
• "Gotta go!"
• 'Peace out'
• In awhile
• 'Bye for now!'
• "I'm outta here!"
• Cry before taking off
• "See ya __"
• Casual good-bye
• "Be seein' ya"
• British goodbye
• "Gotta run!"