Possible Clues:

• Where one takes off, but doesn't actually undress?
• Advertise sportswear for those taking the air
• Landing place
• Runway, of a sort
• Side passage for those taking flight?
• Small flying field
• Bush pilot's runway
• Near terminal make public the end of street is dead
• Pretentious behaviour on flight, perhaps, and where it might end
• Small landing area