Related Clues:

• Opposite of plummet
• Birds do it
• With 20-Down, airshow activities
• Something in the ointment?
• House buzzer
• Something that shouldn't be left open
• Travel in a hot air balloon
• Go out of sight, as gas prices
• Fly into the wild blue yonder
• Do the American thing?
• Use a hang glider
• Rise suddenly
• Go gliding
• Ride the air currents
• Climb swiftly